520065650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{809}}^1$

素因数の和:900

約数の個数: 96

約数和(自身を含む): 1113678720

約数和(自身を除く): 593613070

約数列:

[1, 2, 5, 10, 13, 23, 25, 26, 43, 46, 50, 65, 86, 115, 130, 215, 230, 299, 325, 430, 559, 575, 598, 650, 809, 989, 1075, 1118, 1150, 1495, 1618, 1978, 2150, 2795, 2990, 4045, 4945, 5590, 7475, 8090, 9890, 10517, 12857, 13975, 14950, 18607, 20225, 21034, 24725, 25714, 27950, 34787, 37214, 40450, 49450, 52585, 64285, 69574, 93035, 105170, 128570, 173935, 186070, 241891, 262925, 321425, 347870, 452231, 465175, 483782, 525850, 642850, 800101, 869675, 904462, 930350, 1209455, 1600202, 1739350, 2261155, 2418910, 4000505, 4522310, 6047275, 8001010, 10401313, 11305775, 12094550, 20002525, 20802626, 22611550, 40005050, 52006565, 104013130, 260032825, 520065650]

約数ペア:

[(1, 520065650), (2, 260032825), (5, 104013130), (10, 52006565), (13, 40005050), (23, 22611550), (25, 20802626), (26, 20002525), (43, 12094550), (46, 11305775), (50, 10401313), (65, 8001010), (86, 6047275), (115, 4522310), (130, 4000505), (215, 2418910), (230, 2261155), (299, 1739350), (325, 1600202), (430, 1209455), (559, 930350), (575, 904462), (598, 869675), (650, 800101), (809, 642850), (989, 525850), (1075, 483782), (1118, 465175), (1150, 452231), (1495, 347870), (1618, 321425), (1978, 262925), (2150, 241891), (2795, 186070), (2990, 173935), (4045, 128570), (4945, 105170), (5590, 93035), (7475, 69574), (8090, 64285), (9890, 52585), (10517, 49450), (12857, 40450), (13975, 37214), (14950, 34787), (18607, 27950), (20225, 25714), (21034, 24725)]