4151940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5323}}^1$

素因数の和:5348

約数の個数: 48

約数和(自身を含む): 12522048

約数和(自身を除く): 8370108

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 5323, 10646, 15969, 21292, 26615, 31938, 53230, 63876, 69199, 79845, 106460, 138398, 159690, 207597, 276796, 319380, 345995, 415194, 691990, 830388, 1037985, 1383980, 2075970, 4151940]

約数ペア:

[(1, 4151940), (2, 2075970), (3, 1383980), (4, 1037985), (5, 830388), (6, 691990), (10, 415194), (12, 345995), (13, 319380), (15, 276796), (20, 207597), (26, 159690), (30, 138398), (39, 106460), (52, 79845), (60, 69199), (65, 63876), (78, 53230), (130, 31938), (156, 26615), (195, 21292), (260, 15969), (390, 10646), (780, 5323)]