4077920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{331}}^1$

素因数の和:364

約数の個数: 96

約数和(自身を含む): 12047616

約数和(自身を除く): 7969696

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 160, 176, 220, 224, 280, 308, 331, 352, 385, 440, 560, 616, 662, 770, 880, 1120, 1232, 1324, 1540, 1655, 1760, 2317, 2464, 2648, 3080, 3310, 3641, 4634, 5296, 6160, 6620, 7282, 9268, 10592, 11585, 12320, 13240, 14564, 18205, 18536, 23170, 25487, 26480, 29128, 36410, 37072, 46340, 50974, 52960, 58256, 72820, 74144, 92680, 101948, 116512, 127435, 145640, 185360, 203896, 254870, 291280, 370720, 407792, 509740, 582560, 815584, 1019480, 2038960, 4077920]

約数ペア:

[(1, 4077920), (2, 2038960), (4, 1019480), (5, 815584), (7, 582560), (8, 509740), (10, 407792), (11, 370720), (14, 291280), (16, 254870), (20, 203896), (22, 185360), (28, 145640), (32, 127435), (35, 116512), (40, 101948), (44, 92680), (55, 74144), (56, 72820), (70, 58256), (77, 52960), (80, 50974), (88, 46340), (110, 37072), (112, 36410), (140, 29128), (154, 26480), (160, 25487), (176, 23170), (220, 18536), (224, 18205), (280, 14564), (308, 13240), (331, 12320), (352, 11585), (385, 10592), (440, 9268), (560, 7282), (616, 6620), (662, 6160), (770, 5296), (880, 4634), (1120, 3641), (1232, 3310), (1324, 3080), (1540, 2648), (1655, 2464), (1760, 2317)]