51576780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{19991}}^1$

素因数の和:20046

約数の個数: 48

約数和(自身を含む): 147780864

約数和(自身を除く): 96204084

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 860, 1290, 2580, 19991, 39982, 59973, 79964, 99955, 119946, 199910, 239892, 299865, 399820, 599730, 859613, 1199460, 1719226, 2578839, 3438452, 4298065, 5157678, 8596130, 10315356, 12894195, 17192260, 25788390, 51576780]

約数ペア:

[(1, 51576780), (2, 25788390), (3, 17192260), (4, 12894195), (5, 10315356), (6, 8596130), (10, 5157678), (12, 4298065), (15, 3438452), (20, 2578839), (30, 1719226), (43, 1199460), (60, 859613), (86, 599730), (129, 399820), (172, 299865), (215, 239892), (258, 199910), (430, 119946), (516, 99955), (645, 79964), (860, 59973), (1290, 39982), (2580, 19991)]