18852100040

素因数分解:

$2^3\times 5^1\times {\mathrm{367}}^1\times {\mathrm{563}}^1\times {\mathrm{2281}}^1$

素因数の和:3222

約数の個数: 64

約数和(自身を含む): 42627029760

約数和(自身を除く): 23774929720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 367, 563, 734, 1126, 1468, 1835, 2252, 2281, 2815, 2936, 3670, 4504, 4562, 5630, 7340, 9124, 11260, 11405, 14680, 18248, 22520, 22810, 45620, 91240, 206621, 413242, 826484, 837127, 1033105, 1284203, 1652968, 1674254, 2066210, 2568406, 3348508, 4132420, 4185635, 5136812, 6421015, 6697016, 8264840, 8371270, 10273624, 12842030, 16742540, 25684060, 33485080, 51368120, 471302501, 942605002, 1885210004, 2356512505, 3770420008, 4713025010, 9426050020, 18852100040]

約数ペア:

[(1, 18852100040), (2, 9426050020), (4, 4713025010), (5, 3770420008), (8, 2356512505), (10, 1885210004), (20, 942605002), (40, 471302501), (367, 51368120), (563, 33485080), (734, 25684060), (1126, 16742540), (1468, 12842030), (1835, 10273624), (2252, 8371270), (2281, 8264840), (2815, 6697016), (2936, 6421015), (3670, 5136812), (4504, 4185635), (4562, 4132420), (5630, 3348508), (7340, 2568406), (9124, 2066210), (11260, 1674254), (11405, 1652968), (14680, 1284203), (18248, 1033105), (22520, 837127), (22810, 826484), (45620, 413242), (91240, 206621)]