25193080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1847}}^1$

素因数の和:1900

約数の個数: 64

約数和(自身を含む): 63866880

約数和(自身を除く): 38673800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 31, 40, 44, 55, 62, 88, 110, 124, 155, 220, 248, 310, 341, 440, 620, 682, 1240, 1364, 1705, 1847, 2728, 3410, 3694, 6820, 7388, 9235, 13640, 14776, 18470, 20317, 36940, 40634, 57257, 73880, 81268, 101585, 114514, 162536, 203170, 229028, 286285, 406340, 458056, 572570, 629827, 812680, 1145140, 1259654, 2290280, 2519308, 3149135, 5038616, 6298270, 12596540, 25193080]

約数ペア:

[(1, 25193080), (2, 12596540), (4, 6298270), (5, 5038616), (8, 3149135), (10, 2519308), (11, 2290280), (20, 1259654), (22, 1145140), (31, 812680), (40, 629827), (44, 572570), (55, 458056), (62, 406340), (88, 286285), (110, 229028), (124, 203170), (155, 162536), (220, 114514), (248, 101585), (310, 81268), (341, 73880), (440, 57257), (620, 40634), (682, 36940), (1240, 20317), (1364, 18470), (1705, 14776), (1847, 13640), (2728, 9235), (3410, 7388), (3694, 6820)]