27986920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{503}}^1$

素因数の和:634

約数の個数: 64

約数和(自身を含む): 68584320

約数和(自身を除く): 40597400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 107, 130, 214, 260, 428, 503, 520, 535, 856, 1006, 1070, 1391, 2012, 2140, 2515, 2782, 4024, 4280, 5030, 5564, 6539, 6955, 10060, 11128, 13078, 13910, 20120, 26156, 27820, 32695, 52312, 53821, 55640, 65390, 107642, 130780, 215284, 261560, 269105, 430568, 538210, 699673, 1076420, 1399346, 2152840, 2798692, 3498365, 5597384, 6996730, 13993460, 27986920]

約数ペア:

[(1, 27986920), (2, 13993460), (4, 6996730), (5, 5597384), (8, 3498365), (10, 2798692), (13, 2152840), (20, 1399346), (26, 1076420), (40, 699673), (52, 538210), (65, 430568), (104, 269105), (107, 261560), (130, 215284), (214, 130780), (260, 107642), (428, 65390), (503, 55640), (520, 53821), (535, 52312), (856, 32695), (1006, 27820), (1070, 26156), (1391, 20120), (2012, 13910), (2140, 13078), (2515, 11128), (2782, 10060), (4024, 6955), (4280, 6539), (5030, 5564)]