40523920

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{359}}^1$

素因数の和:472

約数の個数: 80

約数和(自身を含む): 101243520

約数和(自身を除く): 60719600

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 83, 85, 136, 166, 170, 272, 332, 340, 359, 415, 664, 680, 718, 830, 1328, 1360, 1411, 1436, 1660, 1795, 2822, 2872, 3320, 3590, 5644, 5744, 6103, 6640, 7055, 7180, 11288, 12206, 14110, 14360, 22576, 24412, 28220, 28720, 29797, 30515, 48824, 56440, 59594, 61030, 97648, 112880, 119188, 122060, 148985, 238376, 244120, 297970, 476752, 488240, 506549, 595940, 1013098, 1191880, 2026196, 2383760, 2532745, 4052392, 5065490, 8104784, 10130980, 20261960, 40523920]

約数ペア:

[(1, 40523920), (2, 20261960), (4, 10130980), (5, 8104784), (8, 5065490), (10, 4052392), (16, 2532745), (17, 2383760), (20, 2026196), (34, 1191880), (40, 1013098), (68, 595940), (80, 506549), (83, 488240), (85, 476752), (136, 297970), (166, 244120), (170, 238376), (272, 148985), (332, 122060), (340, 119188), (359, 112880), (415, 97648), (664, 61030), (680, 59594), (718, 56440), (830, 48824), (1328, 30515), (1360, 29797), (1411, 28720), (1436, 28220), (1660, 24412), (1795, 22576), (2822, 14360), (2872, 14110), (3320, 12206), (3590, 11288), (5644, 7180), (5744, 7055), (6103, 6640)]