83578820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{521}}^1\times {\mathrm{617}}^1$

素因数の和:1160

約数の個数: 48

約数和(自身を含む): 189686448

約数和(自身を除く): 106107628

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 521, 617, 1042, 1234, 2084, 2468, 2605, 3085, 5210, 6170, 6773, 8021, 10420, 12340, 13546, 16042, 27092, 32084, 33865, 40105, 67730, 80210, 135460, 160420, 321457, 642914, 1285828, 1607285, 3214570, 4178941, 6429140, 8357882, 16715764, 20894705, 41789410, 83578820]

約数ペア:

[(1, 83578820), (2, 41789410), (4, 20894705), (5, 16715764), (10, 8357882), (13, 6429140), (20, 4178941), (26, 3214570), (52, 1607285), (65, 1285828), (130, 642914), (260, 321457), (521, 160420), (617, 135460), (1042, 80210), (1234, 67730), (2084, 40105), (2468, 33865), (2605, 32084), (3085, 27092), (5210, 16042), (6170, 13546), (6773, 12340), (8021, 10420)]