31517720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{60611}}^1$

素因数の和:60635

約数の個数: 32

約数和(自身を含む): 76371120

約数和(自身を除く): 44853400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 60611, 121222, 242444, 303055, 484888, 606110, 787943, 1212220, 1575886, 2424440, 3151772, 3939715, 6303544, 7879430, 15758860, 31517720]

約数ペア:

[(1, 31517720), (2, 15758860), (4, 7879430), (5, 6303544), (8, 3939715), (10, 3151772), (13, 2424440), (20, 1575886), (26, 1212220), (40, 787943), (52, 606110), (65, 484888), (104, 303055), (130, 242444), (260, 121222), (520, 60611)]