100204520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{1471}}^1$

素因数の和:1626

約数の個数: 64

約数和(自身を含む): 244823040

約数和(自身を除く): 144618520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 131, 260, 262, 520, 524, 655, 1048, 1310, 1471, 1703, 2620, 2942, 3406, 5240, 5884, 6812, 7355, 8515, 11768, 13624, 14710, 17030, 19123, 29420, 34060, 38246, 58840, 68120, 76492, 95615, 152984, 191230, 192701, 382460, 385402, 764920, 770804, 963505, 1541608, 1927010, 2505113, 3854020, 5010226, 7708040, 10020452, 12525565, 20040904, 25051130, 50102260, 100204520]

約数ペア:

[(1, 100204520), (2, 50102260), (4, 25051130), (5, 20040904), (8, 12525565), (10, 10020452), (13, 7708040), (20, 5010226), (26, 3854020), (40, 2505113), (52, 1927010), (65, 1541608), (104, 963505), (130, 770804), (131, 764920), (260, 385402), (262, 382460), (520, 192701), (524, 191230), (655, 152984), (1048, 95615), (1310, 76492), (1471, 68120), (1703, 58840), (2620, 38246), (2942, 34060), (3406, 29420), (5240, 19123), (5884, 17030), (6812, 14710), (7355, 13624), (8515, 11768)]