25328940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4639}}^1$

素因数の和:4671

約数の個数: 96

約数和(自身を含む): 87306240

約数和(自身を除く): 61977300

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 130, 140, 156, 182, 195, 210, 260, 273, 364, 390, 420, 455, 546, 780, 910, 1092, 1365, 1820, 2730, 4639, 5460, 9278, 13917, 18556, 23195, 27834, 32473, 46390, 55668, 60307, 64946, 69585, 92780, 97419, 120614, 129892, 139170, 162365, 180921, 194838, 241228, 278340, 301535, 324730, 361842, 389676, 422149, 487095, 603070, 649460, 723684, 844298, 904605, 974190, 1206140, 1266447, 1688596, 1809210, 1948380, 2110745, 2532894, 3618420, 4221490, 5065788, 6332235, 8442980, 12664470, 25328940]

約数ペア:

[(1, 25328940), (2, 12664470), (3, 8442980), (4, 6332235), (5, 5065788), (6, 4221490), (7, 3618420), (10, 2532894), (12, 2110745), (13, 1948380), (14, 1809210), (15, 1688596), (20, 1266447), (21, 1206140), (26, 974190), (28, 904605), (30, 844298), (35, 723684), (39, 649460), (42, 603070), (52, 487095), (60, 422149), (65, 389676), (70, 361842), (78, 324730), (84, 301535), (91, 278340), (105, 241228), (130, 194838), (140, 180921), (156, 162365), (182, 139170), (195, 129892), (210, 120614), (260, 97419), (273, 92780), (364, 69585), (390, 64946), (420, 60307), (455, 55668), (546, 46390), (780, 32473), (910, 27834), (1092, 23195), (1365, 18556), (1820, 13917), (2730, 9278), (4639, 5460)]