11992040

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{509}}^1$

素因数の和:570

約数の個数: 64

約数和(自身を含む): 29376000

約数和(自身を除く): 17383960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 31, 38, 40, 62, 76, 95, 124, 152, 155, 190, 248, 310, 380, 509, 589, 620, 760, 1018, 1178, 1240, 2036, 2356, 2545, 2945, 4072, 4712, 5090, 5890, 9671, 10180, 11780, 15779, 19342, 20360, 23560, 31558, 38684, 48355, 63116, 77368, 78895, 96710, 126232, 157790, 193420, 299801, 315580, 386840, 599602, 631160, 1199204, 1499005, 2398408, 2998010, 5996020, 11992040]

約数ペア:

[(1, 11992040), (2, 5996020), (4, 2998010), (5, 2398408), (8, 1499005), (10, 1199204), (19, 631160), (20, 599602), (31, 386840), (38, 315580), (40, 299801), (62, 193420), (76, 157790), (95, 126232), (124, 96710), (152, 78895), (155, 77368), (190, 63116), (248, 48355), (310, 38684), (380, 31558), (509, 23560), (589, 20360), (620, 19342), (760, 15779), (1018, 11780), (1178, 10180), (1240, 9671), (2036, 5890), (2356, 5090), (2545, 4712), (2945, 4072)]