80141620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{16223}}^1$

素因数の和:16264

約数の個数: 48

約数和(自身を含む): 190794240

約数和(自身を除く): 110652620

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 16223, 32446, 64892, 81115, 162230, 210899, 308237, 324460, 421798, 616474, 843596, 1054495, 1232948, 1541185, 2108990, 3082370, 4007081, 4217980, 6164740, 8014162, 16028324, 20035405, 40070810, 80141620]

約数ペア:

[(1, 80141620), (2, 40070810), (4, 20035405), (5, 16028324), (10, 8014162), (13, 6164740), (19, 4217980), (20, 4007081), (26, 3082370), (38, 2108990), (52, 1541185), (65, 1232948), (76, 1054495), (95, 843596), (130, 616474), (190, 421798), (247, 324460), (260, 308237), (380, 210899), (494, 162230), (988, 81115), (1235, 64892), (2470, 32446), (4940, 16223)]