1945966640

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{139}}^1\times {\mathrm{1699}}^1$

素因数の和:1954

約数の個数: 80

約数和(自身を含む): 4603872000

約数和(自身を除く): 2657905360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 139, 206, 278, 412, 515, 556, 695, 824, 1030, 1112, 1390, 1648, 1699, 2060, 2224, 2780, 3398, 4120, 5560, 6796, 8240, 8495, 11120, 13592, 14317, 16990, 27184, 28634, 33980, 57268, 67960, 71585, 114536, 135920, 143170, 174997, 229072, 236161, 286340, 349994, 472322, 572680, 699988, 874985, 944644, 1145360, 1180805, 1399976, 1749970, 1889288, 2361610, 2799952, 3499940, 3778576, 4723220, 6999880, 9446440, 13999760, 18892880, 24324583, 48649166, 97298332, 121622915, 194596664, 243245830, 389193328, 486491660, 972983320, 1945966640]

約数ペア:

[(1, 1945966640), (2, 972983320), (4, 486491660), (5, 389193328), (8, 243245830), (10, 194596664), (16, 121622915), (20, 97298332), (40, 48649166), (80, 24324583), (103, 18892880), (139, 13999760), (206, 9446440), (278, 6999880), (412, 4723220), (515, 3778576), (556, 3499940), (695, 2799952), (824, 2361610), (1030, 1889288), (1112, 1749970), (1390, 1399976), (1648, 1180805), (1699, 1145360), (2060, 944644), (2224, 874985), (2780, 699988), (3398, 572680), (4120, 472322), (5560, 349994), (6796, 286340), (8240, 236161), (8495, 229072), (11120, 174997), (13592, 143170), (14317, 135920), (16990, 114536), (27184, 71585), (28634, 67960), (33980, 57268)]