39899240

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1117}}^1$

素因数の和:1194

約数の個数: 64

約数和(自身を含む): 96595200

約数和(自身を除く): 56695960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 47, 76, 94, 95, 152, 188, 190, 235, 376, 380, 470, 760, 893, 940, 1117, 1786, 1880, 2234, 3572, 4465, 4468, 5585, 7144, 8930, 8936, 11170, 17860, 21223, 22340, 35720, 42446, 44680, 52499, 84892, 104998, 106115, 169784, 209996, 212230, 262495, 419992, 424460, 524990, 848920, 997481, 1049980, 1994962, 2099960, 3989924, 4987405, 7979848, 9974810, 19949620, 39899240]

約数ペア:

[(1, 39899240), (2, 19949620), (4, 9974810), (5, 7979848), (8, 4987405), (10, 3989924), (19, 2099960), (20, 1994962), (38, 1049980), (40, 997481), (47, 848920), (76, 524990), (94, 424460), (95, 419992), (152, 262495), (188, 212230), (190, 209996), (235, 169784), (376, 106115), (380, 104998), (470, 84892), (760, 52499), (893, 44680), (940, 42446), (1117, 35720), (1786, 22340), (1880, 21223), (2234, 17860), (3572, 11170), (4465, 8936), (4468, 8930), (5585, 7144)]