78156912940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{1223879}}^1$

素因数の和:1224022

約数の個数: 48

約数和(自身を含む): 171069050880

約数和(自身を除く): 92912137940

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 103, 124, 155, 206, 310, 412, 515, 620, 1030, 2060, 3193, 6386, 12772, 15965, 31930, 63860, 1223879, 2447758, 4895516, 6119395, 12238790, 24477580, 37940249, 75880498, 126059537, 151760996, 189701245, 252119074, 379402490, 504238148, 630297685, 758804980, 1260595370, 2521190740, 3907845647, 7815691294, 15631382588, 19539228235, 39078456470, 78156912940]

約数ペア:

[(1, 78156912940), (2, 39078456470), (4, 19539228235), (5, 15631382588), (10, 7815691294), (20, 3907845647), (31, 2521190740), (62, 1260595370), (103, 758804980), (124, 630297685), (155, 504238148), (206, 379402490), (310, 252119074), (412, 189701245), (515, 151760996), (620, 126059537), (1030, 75880498), (2060, 37940249), (3193, 24477580), (6386, 12238790), (12772, 6119395), (15965, 4895516), (31930, 2447758), (63860, 1223879)]