13979940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17923}}^1$

素因数の和:17948

約数の個数: 48

約数和(自身を含む): 42157248

約数和(自身を除く): 28177308

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, 17923, 35846, 53769, 71692, 89615, 107538, 179230, 215076, 232999, 268845, 358460, 465998, 537690, 698997, 931996, 1075380, 1164995, 1397994, 2329990, 2795988, 3494985, 4659980, 6989970, 13979940]

約数ペア:

[(1, 13979940), (2, 6989970), (3, 4659980), (4, 3494985), (5, 2795988), (6, 2329990), (10, 1397994), (12, 1164995), (13, 1075380), (15, 931996), (20, 698997), (26, 537690), (30, 465998), (39, 358460), (52, 268845), (60, 232999), (65, 215076), (78, 179230), (130, 107538), (156, 89615), (195, 71692), (260, 53769), (390, 35846), (780, 17923)]