51977840

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{38219}}^1$

素因数の和:38249

約数の個数: 40

約数和(自身を含む): 127960560

約数和(自身を除く): 75982720

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 38219, 76438, 152876, 191095, 305752, 382190, 611504, 649723, 764380, 1299446, 1528760, 2598892, 3057520, 3248615, 5197784, 6497230, 10395568, 12994460, 25988920, 51977840]

約数ペア:

[(1, 51977840), (2, 25988920), (4, 12994460), (5, 10395568), (8, 6497230), (10, 5197784), (16, 3248615), (17, 3057520), (20, 2598892), (34, 1528760), (40, 1299446), (68, 764380), (80, 649723), (85, 611504), (136, 382190), (170, 305752), (272, 191095), (340, 152876), (680, 76438), (1360, 38219)]