40266520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4639}}^1$

素因数の和:4688

約数の個数: 64

約数和(自身を含む): 106905600

約数和(自身を除く): 66639080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 4340, 4639, 8680, 9278, 18556, 23195, 32473, 37112, 46390, 64946, 92780, 129892, 143809, 162365, 185560, 259784, 287618, 324730, 575236, 649460, 719045, 1006663, 1150472, 1298920, 1438090, 2013326, 2876180, 4026652, 5033315, 5752360, 8053304, 10066630, 20133260, 40266520]

約数ペア:

[(1, 40266520), (2, 20133260), (4, 10066630), (5, 8053304), (7, 5752360), (8, 5033315), (10, 4026652), (14, 2876180), (20, 2013326), (28, 1438090), (31, 1298920), (35, 1150472), (40, 1006663), (56, 719045), (62, 649460), (70, 575236), (124, 324730), (140, 287618), (155, 259784), (217, 185560), (248, 162365), (280, 143809), (310, 129892), (434, 92780), (620, 64946), (868, 46390), (1085, 37112), (1240, 32473), (1736, 23195), (2170, 18556), (4340, 9278), (4639, 8680)]