51141320

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41243}}^1$

素因数の和:41285

約数の個数: 32

約数和(自身を含む): 118782720

約数和(自身を除く): 67641400

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 41243, 82486, 164972, 206215, 329944, 412430, 824860, 1278533, 1649720, 2557066, 5114132, 6392665, 10228264, 12785330, 25570660, 51141320]

約数ペア:

[(1, 51141320), (2, 25570660), (4, 12785330), (5, 10228264), (8, 6392665), (10, 5114132), (20, 2557066), (31, 1649720), (40, 1278533), (62, 824860), (124, 412430), (155, 329944), (248, 206215), (310, 164972), (620, 82486), (1240, 41243)]