123995320

素因数分解:

$2^3\times 5^1\times {\mathrm{1693}}^1\times {\mathrm{1831}}^1$

素因数の和:3535

約数の個数: 32

約数和(自身を含む): 279306720

約数和(自身を除く): 155311400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1693, 1831, 3386, 3662, 6772, 7324, 8465, 9155, 13544, 14648, 16930, 18310, 33860, 36620, 67720, 73240, 3099883, 6199766, 12399532, 15499415, 24799064, 30998830, 61997660, 123995320]

約数ペア:

[(1, 123995320), (2, 61997660), (4, 30998830), (5, 24799064), (8, 15499415), (10, 12399532), (20, 6199766), (40, 3099883), (1693, 73240), (1831, 67720), (3386, 36620), (3662, 33860), (6772, 18310), (7324, 16930), (8465, 14648), (9155, 13544)]