156965440

素因数分解:

$2^6\times 5^1\times {\mathrm{499}}^1\times {\mathrm{983}}^1$

素因数の和:1499

約数の個数: 56

約数和(自身を含む): 374904000

約数和(自身を除く): 217938560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 499, 983, 998, 1966, 1996, 2495, 3932, 3992, 4915, 4990, 7864, 7984, 9830, 9980, 15728, 15968, 19660, 19960, 31456, 31936, 39320, 39920, 62912, 78640, 79840, 157280, 159680, 314560, 490517, 981034, 1962068, 2452585, 3924136, 4905170, 7848272, 9810340, 15696544, 19620680, 31393088, 39241360, 78482720, 156965440]

約数ペア:

[(1, 156965440), (2, 78482720), (4, 39241360), (5, 31393088), (8, 19620680), (10, 15696544), (16, 9810340), (20, 7848272), (32, 4905170), (40, 3924136), (64, 2452585), (80, 1962068), (160, 981034), (320, 490517), (499, 314560), (983, 159680), (998, 157280), (1966, 79840), (1996, 78640), (2495, 62912), (3932, 39920), (3992, 39320), (4915, 31936), (4990, 31456), (7864, 19960), (7984, 19660), (9830, 15968), (9980, 15728)]