25018980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{839}}^1$

素因数の和:929

約数の個数: 96

約数和(自身を含む): 81285120

約数和(自身を除く): 56266140

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 71, 84, 105, 140, 142, 210, 213, 284, 355, 420, 426, 497, 710, 839, 852, 994, 1065, 1420, 1491, 1678, 1988, 2130, 2485, 2517, 2982, 3356, 4195, 4260, 4970, 5034, 5873, 5964, 7455, 8390, 9940, 10068, 11746, 12585, 14910, 16780, 17619, 23492, 25170, 29365, 29820, 35238, 50340, 58730, 59569, 70476, 88095, 117460, 119138, 176190, 178707, 238276, 297845, 352380, 357414, 416983, 595690, 714828, 833966, 893535, 1191380, 1250949, 1667932, 1787070, 2084915, 2501898, 3574140, 4169830, 5003796, 6254745, 8339660, 12509490, 25018980]

約数ペア:

[(1, 25018980), (2, 12509490), (3, 8339660), (4, 6254745), (5, 5003796), (6, 4169830), (7, 3574140), (10, 2501898), (12, 2084915), (14, 1787070), (15, 1667932), (20, 1250949), (21, 1191380), (28, 893535), (30, 833966), (35, 714828), (42, 595690), (60, 416983), (70, 357414), (71, 352380), (84, 297845), (105, 238276), (140, 178707), (142, 176190), (210, 119138), (213, 117460), (284, 88095), (355, 70476), (420, 59569), (426, 58730), (497, 50340), (710, 35238), (839, 29820), (852, 29365), (994, 25170), (1065, 23492), (1420, 17619), (1491, 16780), (1678, 14910), (1988, 12585), (2130, 11746), (2485, 10068), (2517, 9940), (2982, 8390), (3356, 7455), (4195, 5964), (4260, 5873), (4970, 5034)]