17641480

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{347}}^1$

素因数の和:430

約数の個数: 64

約数和(自身を含む): 42094080

約数和(自身を除く): 24452600

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 41, 62, 82, 124, 155, 164, 205, 248, 310, 328, 347, 410, 620, 694, 820, 1240, 1271, 1388, 1640, 1735, 2542, 2776, 3470, 5084, 6355, 6940, 10168, 10757, 12710, 13880, 14227, 21514, 25420, 28454, 43028, 50840, 53785, 56908, 71135, 86056, 107570, 113816, 142270, 215140, 284540, 430280, 441037, 569080, 882074, 1764148, 2205185, 3528296, 4410370, 8820740, 17641480]

約数ペア:

[(1, 17641480), (2, 8820740), (4, 4410370), (5, 3528296), (8, 2205185), (10, 1764148), (20, 882074), (31, 569080), (40, 441037), (41, 430280), (62, 284540), (82, 215140), (124, 142270), (155, 113816), (164, 107570), (205, 86056), (248, 71135), (310, 56908), (328, 53785), (347, 50840), (410, 43028), (620, 28454), (694, 25420), (820, 21514), (1240, 14227), (1271, 13880), (1388, 12710), (1640, 10757), (1735, 10168), (2542, 6940), (2776, 6355), (3470, 5084)]