28418380240

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{479}}^1\times {\mathrm{10159}}^1$

素因数の和:10724

約数の個数: 80

約数和(自身を含む): 67124275200

約数和(自身を除く): 38705894960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 479, 584, 730, 958, 1168, 1460, 1916, 2395, 2920, 3832, 4790, 5840, 7664, 9580, 10159, 19160, 20318, 34967, 38320, 40636, 50795, 69934, 81272, 101590, 139868, 162544, 174835, 203180, 279736, 349670, 406360, 559472, 699340, 741607, 812720, 1398680, 1483214, 2797360, 2966428, 3708035, 4866161, 5932856, 7416070, 9732322, 11865712, 14832140, 19464644, 24330805, 29664280, 38929288, 48661610, 59328560, 77858576, 97323220, 194646440, 355229753, 389292880, 710459506, 1420919012, 1776148765, 2841838024, 3552297530, 5683676048, 7104595060, 14209190120, 28418380240]

約数ペア:

[(1, 28418380240), (2, 14209190120), (4, 7104595060), (5, 5683676048), (8, 3552297530), (10, 2841838024), (16, 1776148765), (20, 1420919012), (40, 710459506), (73, 389292880), (80, 355229753), (146, 194646440), (292, 97323220), (365, 77858576), (479, 59328560), (584, 48661610), (730, 38929288), (958, 29664280), (1168, 24330805), (1460, 19464644), (1916, 14832140), (2395, 11865712), (2920, 9732322), (3832, 7416070), (4790, 5932856), (5840, 4866161), (7664, 3708035), (9580, 2966428), (10159, 2797360), (19160, 1483214), (20318, 1398680), (34967, 812720), (38320, 741607), (40636, 699340), (50795, 559472), (69934, 406360), (81272, 349670), (101590, 279736), (139868, 203180), (162544, 174835)]