40243960

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{463}}^1$

素因数の和:568

約数の個数: 64

約数和(自身を含む): 94711680

約数和(自身を除く): 54467720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 53, 82, 106, 164, 205, 212, 265, 328, 410, 424, 463, 530, 820, 926, 1060, 1640, 1852, 2120, 2173, 2315, 3704, 4346, 4630, 8692, 9260, 10865, 17384, 18520, 18983, 21730, 24539, 37966, 43460, 49078, 75932, 86920, 94915, 98156, 122695, 151864, 189830, 196312, 245390, 379660, 490780, 759320, 981560, 1006099, 2012198, 4024396, 5030495, 8048792, 10060990, 20121980, 40243960]

約数ペア:

[(1, 40243960), (2, 20121980), (4, 10060990), (5, 8048792), (8, 5030495), (10, 4024396), (20, 2012198), (40, 1006099), (41, 981560), (53, 759320), (82, 490780), (106, 379660), (164, 245390), (205, 196312), (212, 189830), (265, 151864), (328, 122695), (410, 98156), (424, 94915), (463, 86920), (530, 75932), (820, 49078), (926, 43460), (1060, 37966), (1640, 24539), (1852, 21730), (2120, 18983), (2173, 18520), (2315, 17384), (3704, 10865), (4346, 9260), (4630, 8692)]