406121080

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{327517}}^1$

素因数の和:327559

約数の個数: 32

約数和(自身を含む): 943251840

約数和(自身を除く): 537130760

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 327517, 655034, 1310068, 1637585, 2620136, 3275170, 6550340, 10153027, 13100680, 20306054, 40612108, 50765135, 81224216, 101530270, 203060540, 406121080]

約数ペア:

[(1, 406121080), (2, 203060540), (4, 101530270), (5, 81224216), (8, 50765135), (10, 40612108), (20, 20306054), (31, 13100680), (40, 10153027), (62, 6550340), (124, 3275170), (155, 2620136), (248, 1637585), (310, 1310068), (620, 655034), (1240, 327517)]