89444920

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{1361}}^1$

素因数の和:1456

約数の個数: 64

約数和(自身を含む): 211818240

約数和(自身を除く): 122373320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 53, 62, 106, 124, 155, 212, 248, 265, 310, 424, 530, 620, 1060, 1240, 1361, 1643, 2120, 2722, 3286, 5444, 6572, 6805, 8215, 10888, 13144, 13610, 16430, 27220, 32860, 42191, 54440, 65720, 72133, 84382, 144266, 168764, 210955, 288532, 337528, 360665, 421910, 577064, 721330, 843820, 1442660, 1687640, 2236123, 2885320, 4472246, 8944492, 11180615, 17888984, 22361230, 44722460, 89444920]

約数ペア:

[(1, 89444920), (2, 44722460), (4, 22361230), (5, 17888984), (8, 11180615), (10, 8944492), (20, 4472246), (31, 2885320), (40, 2236123), (53, 1687640), (62, 1442660), (106, 843820), (124, 721330), (155, 577064), (212, 421910), (248, 360665), (265, 337528), (310, 288532), (424, 210955), (530, 168764), (620, 144266), (1060, 84382), (1240, 72133), (1361, 65720), (1643, 54440), (2120, 42191), (2722, 32860), (3286, 27220), (5444, 16430), (6572, 13610), (6805, 13144), (8215, 10888)]