61418440

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{49531}}^1$

素因数の和:49573

約数の個数: 32

約数和(自身を含む): 142652160

約数和(自身を除く): 81233720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 49531, 99062, 198124, 247655, 396248, 495310, 990620, 1535461, 1981240, 3070922, 6141844, 7677305, 12283688, 15354610, 30709220, 61418440]

約数ペア:

[(1, 61418440), (2, 30709220), (4, 15354610), (5, 12283688), (8, 7677305), (10, 6141844), (20, 3070922), (31, 1981240), (40, 1535461), (62, 990620), (124, 495310), (155, 396248), (248, 247655), (310, 198124), (620, 99062), (1240, 49531)]