40816960

素因数分解:

$2^6\times 5^1\times {\mathrm{229}}^1\times {\mathrm{557}}^1$

素因数の和:803

約数の個数: 56

約数和(自身を含む): 97795080

約数和(自身を除く): 56978120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 229, 320, 458, 557, 916, 1114, 1145, 1832, 2228, 2290, 2785, 3664, 4456, 4580, 5570, 7328, 8912, 9160, 11140, 14656, 17824, 18320, 22280, 35648, 36640, 44560, 73280, 89120, 127553, 178240, 255106, 510212, 637765, 1020424, 1275530, 2040848, 2551060, 4081696, 5102120, 8163392, 10204240, 20408480, 40816960]

約数ペア:

[(1, 40816960), (2, 20408480), (4, 10204240), (5, 8163392), (8, 5102120), (10, 4081696), (16, 2551060), (20, 2040848), (32, 1275530), (40, 1020424), (64, 637765), (80, 510212), (160, 255106), (229, 178240), (320, 127553), (458, 89120), (557, 73280), (916, 44560), (1114, 36640), (1145, 35648), (1832, 22280), (2228, 18320), (2290, 17824), (2785, 14656), (3664, 11140), (4456, 9160), (4580, 8912), (5570, 7328)]