42985520

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31607}}^1$

素因数の和:31637

約数の個数: 40

約数和(自身を含む): 105823584

約数和(自身を除く): 62838064

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 31607, 63214, 126428, 158035, 252856, 316070, 505712, 537319, 632140, 1074638, 1264280, 2149276, 2528560, 2686595, 4298552, 5373190, 8597104, 10746380, 21492760, 42985520]

約数ペア:

[(1, 42985520), (2, 21492760), (4, 10746380), (5, 8597104), (8, 5373190), (10, 4298552), (16, 2686595), (17, 2528560), (20, 2149276), (34, 1264280), (40, 1074638), (68, 632140), (80, 537319), (85, 505712), (136, 316070), (170, 252856), (272, 158035), (340, 126428), (680, 63214), (1360, 31607)]