71375980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{1013}}^1$

素因数の和:1306

約数の個数: 48

約数和(自身を含む): 162175104

約数和(自身を除く): 90799124

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 271, 542, 1013, 1084, 1355, 2026, 2710, 3523, 4052, 5065, 5420, 7046, 10130, 13169, 14092, 17615, 20260, 26338, 35230, 52676, 65845, 70460, 131690, 263380, 274523, 549046, 1098092, 1372615, 2745230, 3568799, 5490460, 7137598, 14275196, 17843995, 35687990, 71375980]

約数ペア:

[(1, 71375980), (2, 35687990), (4, 17843995), (5, 14275196), (10, 7137598), (13, 5490460), (20, 3568799), (26, 2745230), (52, 1372615), (65, 1098092), (130, 549046), (260, 274523), (271, 263380), (542, 131690), (1013, 70460), (1084, 65845), (1355, 52676), (2026, 35230), (2710, 26338), (3523, 20260), (4052, 17615), (5065, 14092), (5420, 13169), (7046, 10130)]