25108440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{421}}^1$

素因数の和:513

約数の個数: 128

約数和(自身を含む): 87505920

約数和(自身を除く): 62397480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 71, 84, 105, 120, 140, 142, 168, 210, 213, 280, 284, 355, 420, 421, 426, 497, 568, 710, 840, 842, 852, 994, 1065, 1263, 1420, 1491, 1684, 1704, 1988, 2105, 2130, 2485, 2526, 2840, 2947, 2982, 3368, 3976, 4210, 4260, 4970, 5052, 5894, 5964, 6315, 7455, 8420, 8520, 8841, 9940, 10104, 11788, 11928, 12630, 14735, 14910, 16840, 17682, 19880, 23576, 25260, 29470, 29820, 29891, 35364, 44205, 50520, 58940, 59640, 59782, 70728, 88410, 89673, 117880, 119564, 149455, 176820, 179346, 209237, 239128, 298910, 353640, 358692, 418474, 448365, 597820, 627711, 717384, 836948, 896730, 1046185, 1195640, 1255422, 1673896, 1793460, 2092370, 2510844, 3138555, 3586920, 4184740, 5021688, 6277110, 8369480, 12554220, 25108440]

約数ペア:

[(1, 25108440), (2, 12554220), (3, 8369480), (4, 6277110), (5, 5021688), (6, 4184740), (7, 3586920), (8, 3138555), (10, 2510844), (12, 2092370), (14, 1793460), (15, 1673896), (20, 1255422), (21, 1195640), (24, 1046185), (28, 896730), (30, 836948), (35, 717384), (40, 627711), (42, 597820), (56, 448365), (60, 418474), (70, 358692), (71, 353640), (84, 298910), (105, 239128), (120, 209237), (140, 179346), (142, 176820), (168, 149455), (210, 119564), (213, 117880), (280, 89673), (284, 88410), (355, 70728), (420, 59782), (421, 59640), (426, 58940), (497, 50520), (568, 44205), (710, 35364), (840, 29891), (842, 29820), (852, 29470), (994, 25260), (1065, 23576), (1263, 19880), (1420, 17682), (1491, 16840), (1684, 14910), (1704, 14735), (1988, 12630), (2105, 11928), (2130, 11788), (2485, 10104), (2526, 9940), (2840, 8841), (2947, 8520), (2982, 8420), (3368, 7455), (3976, 6315), (4210, 5964), (4260, 5894), (4970, 5052)]