4920240080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{111217}}^1$

素因数の和:111316

約数の個数: 80

約数和(自身を含む): 13239390720

約数和(自身を除く): 8319150640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 79, 80, 112, 140, 158, 280, 316, 395, 553, 560, 632, 790, 1106, 1264, 1580, 2212, 2765, 3160, 4424, 5530, 6320, 8848, 11060, 22120, 44240, 111217, 222434, 444868, 556085, 778519, 889736, 1112170, 1557038, 1779472, 2224340, 3114076, 3892595, 4448680, 6228152, 7785190, 8786143, 8897360, 12456304, 15570380, 17572286, 31140760, 35144572, 43930715, 61503001, 62281520, 70289144, 87861430, 123006002, 140578288, 175722860, 246012004, 307515005, 351445720, 492024008, 615030010, 702891440, 984048016, 1230060020, 2460120040, 4920240080]

約数ペア:

[(1, 4920240080), (2, 2460120040), (4, 1230060020), (5, 984048016), (7, 702891440), (8, 615030010), (10, 492024008), (14, 351445720), (16, 307515005), (20, 246012004), (28, 175722860), (35, 140578288), (40, 123006002), (56, 87861430), (70, 70289144), (79, 62281520), (80, 61503001), (112, 43930715), (140, 35144572), (158, 31140760), (280, 17572286), (316, 15570380), (395, 12456304), (553, 8897360), (560, 8786143), (632, 7785190), (790, 6228152), (1106, 4448680), (1264, 3892595), (1580, 3114076), (2212, 2224340), (2765, 1779472), (3160, 1557038), (4424, 1112170), (5530, 889736), (6320, 778519), (8848, 556085), (11060, 444868), (22120, 222434), (44240, 111217)]