23440820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1013}}^1$

素因数の和:1124

約数の個数: 48

約数和(自身を含む): 53660880

約数和(自身を除く): 30220060

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 89, 130, 178, 260, 356, 445, 890, 1013, 1157, 1780, 2026, 2314, 4052, 4628, 5065, 5785, 10130, 11570, 13169, 20260, 23140, 26338, 52676, 65845, 90157, 131690, 180314, 263380, 360628, 450785, 901570, 1172041, 1803140, 2344082, 4688164, 5860205, 11720410, 23440820]

約数ペア:

[(1, 23440820), (2, 11720410), (4, 5860205), (5, 4688164), (10, 2344082), (13, 1803140), (20, 1172041), (26, 901570), (52, 450785), (65, 360628), (89, 263380), (130, 180314), (178, 131690), (260, 90157), (356, 65845), (445, 52676), (890, 26338), (1013, 23140), (1157, 20260), (1780, 13169), (2026, 11570), (2314, 10130), (4052, 5785), (4628, 5065)]