2016186640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^2\times {\mathrm{521}}^1$

素因数の和:669

約数の個数: 120

約数和(自身を含む): 5142186504

約数和(自身を除く): 3125999864

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 61, 65, 80, 104, 122, 130, 208, 244, 260, 305, 488, 520, 521, 610, 793, 976, 1040, 1042, 1220, 1586, 2084, 2440, 2605, 3172, 3721, 3965, 4168, 4880, 5210, 6344, 6773, 7442, 7930, 8336, 10420, 12688, 13546, 14884, 15860, 18605, 20840, 27092, 29768, 31720, 31781, 33865, 37210, 41680, 48373, 54184, 59536, 63440, 63562, 67730, 74420, 96746, 108368, 127124, 135460, 148840, 158905, 193492, 241865, 254248, 270920, 297680, 317810, 386984, 413153, 483730, 508496, 541840, 635620, 773968, 826306, 967460, 1271240, 1652612, 1934920, 1938641, 2065765, 2542480, 3305224, 3869840, 3877282, 4131530, 6610448, 7754564, 8263060, 9693205, 15509128, 16526120, 19386410, 25202333, 31018256, 33052240, 38772820, 50404666, 77545640, 100809332, 126011665, 155091280, 201618664, 252023330, 403237328, 504046660, 1008093320, 2016186640]

約数ペア:

[(1, 2016186640), (2, 1008093320), (4, 504046660), (5, 403237328), (8, 252023330), (10, 201618664), (13, 155091280), (16, 126011665), (20, 100809332), (26, 77545640), (40, 50404666), (52, 38772820), (61, 33052240), (65, 31018256), (80, 25202333), (104, 19386410), (122, 16526120), (130, 15509128), (208, 9693205), (244, 8263060), (260, 7754564), (305, 6610448), (488, 4131530), (520, 3877282), (521, 3869840), (610, 3305224), (793, 2542480), (976, 2065765), (1040, 1938641), (1042, 1934920), (1220, 1652612), (1586, 1271240), (2084, 967460), (2440, 826306), (2605, 773968), (3172, 635620), (3721, 541840), (3965, 508496), (4168, 483730), (4880, 413153), (5210, 386984), (6344, 317810), (6773, 297680), (7442, 270920), (7930, 254248), (8336, 241865), (10420, 193492), (12688, 158905), (13546, 148840), (14884, 135460), (15860, 127124), (18605, 108368), (20840, 96746), (27092, 74420), (29768, 67730), (31720, 63562), (31781, 63440), (33865, 59536), (37210, 54184), (41680, 48373)]