89783980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31393}}^1$

素因数の和:31426

約数の個数: 48

約数和(自身を含む): 221516064

約数和(自身を除く): 131732084

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 31393, 62786, 125572, 156965, 313930, 345323, 408109, 627860, 690646, 816218, 1381292, 1632436, 1726615, 2040545, 3453230, 4081090, 4489199, 6906460, 8162180, 8978398, 17956796, 22445995, 44891990, 89783980]

約数ペア:

[(1, 89783980), (2, 44891990), (4, 22445995), (5, 17956796), (10, 8978398), (11, 8162180), (13, 6906460), (20, 4489199), (22, 4081090), (26, 3453230), (44, 2040545), (52, 1726615), (55, 1632436), (65, 1381292), (110, 816218), (130, 690646), (143, 627860), (220, 408109), (260, 345323), (286, 313930), (572, 156965), (715, 125572), (1430, 62786), (2860, 31393)]