408034240

素因数分解:

$2^6\times 5^1\times {\mathrm{1275107}}^1$

素因数の和:1275124

約数の個数: 28

約数和(自身を含む): 971632296

約数和(自身を除く): 563598056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 1275107, 2550214, 5100428, 6375535, 10200856, 12751070, 20401712, 25502140, 40803424, 51004280, 81606848, 102008560, 204017120, 408034240]

約数ペア:

[(1, 408034240), (2, 204017120), (4, 102008560), (5, 81606848), (8, 51004280), (10, 40803424), (16, 25502140), (20, 20401712), (32, 12751070), (40, 10200856), (64, 6375535), (80, 5100428), (160, 2550214), (320, 1275107)]