99902920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{192121}}^1$

素因数の和:192145

約数の個数: 32

約数和(自身を含む): 242073720

約数和(自身を除く): 142170800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 192121, 384242, 768484, 960605, 1536968, 1921210, 2497573, 3842420, 4995146, 7684840, 9990292, 12487865, 19980584, 24975730, 49951460, 99902920]

約数ペア:

[(1, 99902920), (2, 49951460), (4, 24975730), (5, 19980584), (8, 12487865), (10, 9990292), (13, 7684840), (20, 4995146), (26, 3842420), (40, 2497573), (52, 1921210), (65, 1536968), (104, 960605), (130, 768484), (260, 384242), (520, 192121)]