8885540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{349}}^1$

素因数の和:444

約数の個数: 48

約数和(自身を含む): 19992000

約数和(自身を除く): 11106460

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 67, 76, 95, 134, 190, 268, 335, 349, 380, 670, 698, 1273, 1340, 1396, 1745, 2546, 3490, 5092, 6365, 6631, 6980, 12730, 13262, 23383, 25460, 26524, 33155, 46766, 66310, 93532, 116915, 132620, 233830, 444277, 467660, 888554, 1777108, 2221385, 4442770, 8885540]

約数ペア:

[(1, 8885540), (2, 4442770), (4, 2221385), (5, 1777108), (10, 888554), (19, 467660), (20, 444277), (38, 233830), (67, 132620), (76, 116915), (95, 93532), (134, 66310), (190, 46766), (268, 33155), (335, 26524), (349, 25460), (380, 23383), (670, 13262), (698, 12730), (1273, 6980), (1340, 6631), (1396, 6365), (1745, 5092), (2546, 3490)]