25218180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{829}}^1$

素因数の和:870

約数の個数: 108

約数和(自身を含む): 82931940

約数和(自身を除く): 57713760

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 169, 180, 195, 234, 260, 338, 390, 468, 507, 585, 676, 780, 829, 845, 1014, 1170, 1521, 1658, 1690, 2028, 2340, 2487, 2535, 3042, 3316, 3380, 4145, 4974, 5070, 6084, 7461, 7605, 8290, 9948, 10140, 10777, 12435, 14922, 15210, 16580, 21554, 24870, 29844, 30420, 32331, 37305, 43108, 49740, 53885, 64662, 74610, 96993, 107770, 129324, 140101, 149220, 161655, 193986, 215540, 280202, 323310, 387972, 420303, 484965, 560404, 646620, 700505, 840606, 969930, 1260909, 1401010, 1681212, 1939860, 2101515, 2521818, 2802020, 4203030, 5043636, 6304545, 8406060, 12609090, 25218180]

約数ペア:

[(1, 25218180), (2, 12609090), (3, 8406060), (4, 6304545), (5, 5043636), (6, 4203030), (9, 2802020), (10, 2521818), (12, 2101515), (13, 1939860), (15, 1681212), (18, 1401010), (20, 1260909), (26, 969930), (30, 840606), (36, 700505), (39, 646620), (45, 560404), (52, 484965), (60, 420303), (65, 387972), (78, 323310), (90, 280202), (117, 215540), (130, 193986), (156, 161655), (169, 149220), (180, 140101), (195, 129324), (234, 107770), (260, 96993), (338, 74610), (390, 64662), (468, 53885), (507, 49740), (585, 43108), (676, 37305), (780, 32331), (829, 30420), (845, 29844), (1014, 24870), (1170, 21554), (1521, 16580), (1658, 15210), (1690, 14922), (2028, 12435), (2340, 10777), (2487, 10140), (2535, 9948), (3042, 8290), (3316, 7605), (3380, 7461), (4145, 6084), (4974, 5070)]