3977895940

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{401}}^1\times {\mathrm{5573}}^1$

素因数の和:6072

約数の個数: 48

約数和(自身を含む): 8470027440

約数和(自身を除く): 4492131500

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 401, 445, 802, 890, 1604, 1780, 2005, 4010, 5573, 8020, 11146, 22292, 27865, 35689, 55730, 71378, 111460, 142756, 178445, 356890, 495997, 713780, 991994, 1983988, 2234773, 2479985, 4469546, 4959970, 8939092, 9919940, 11173865, 22347730, 44695460, 198894797, 397789594, 795579188, 994473985, 1988947970, 3977895940]

約数ペア:

[(1, 3977895940), (2, 1988947970), (4, 994473985), (5, 795579188), (10, 397789594), (20, 198894797), (89, 44695460), (178, 22347730), (356, 11173865), (401, 9919940), (445, 8939092), (802, 4959970), (890, 4469546), (1604, 2479985), (1780, 2234773), (2005, 1983988), (4010, 991994), (5573, 713780), (8020, 495997), (11146, 356890), (22292, 178445), (27865, 142756), (35689, 111460), (55730, 71378)]