28800040

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1033}}^1$

素因数の和:1102

約数の個数: 64

約数和(自身を含む): 70353360

約数和(自身を除く): 41553320

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 41, 68, 82, 85, 136, 164, 170, 205, 328, 340, 410, 680, 697, 820, 1033, 1394, 1640, 2066, 2788, 3485, 4132, 5165, 5576, 6970, 8264, 10330, 13940, 17561, 20660, 27880, 35122, 41320, 42353, 70244, 84706, 87805, 140488, 169412, 175610, 211765, 338824, 351220, 423530, 702440, 720001, 847060, 1440002, 1694120, 2880004, 3600005, 5760008, 7200010, 14400020, 28800040]

約数ペア:

[(1, 28800040), (2, 14400020), (4, 7200010), (5, 5760008), (8, 3600005), (10, 2880004), (17, 1694120), (20, 1440002), (34, 847060), (40, 720001), (41, 702440), (68, 423530), (82, 351220), (85, 338824), (136, 211765), (164, 175610), (170, 169412), (205, 140488), (328, 87805), (340, 84706), (410, 70244), (680, 42353), (697, 41320), (820, 35122), (1033, 27880), (1394, 20660), (1640, 17561), (2066, 13940), (2788, 10330), (3485, 8264), (4132, 6970), (5165, 5576)]