25543690

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1$

素因数の和:223

約数の個数: 64

約数和(自身を含む): 52005888

約数和(自身を除く): 26462198

約数列:

[1, 2, 5, 10, 17, 31, 34, 37, 62, 74, 85, 131, 155, 170, 185, 262, 310, 370, 527, 629, 655, 1054, 1147, 1258, 1310, 2227, 2294, 2635, 3145, 4061, 4454, 4847, 5270, 5735, 6290, 8122, 9694, 11135, 11470, 19499, 20305, 22270, 24235, 38998, 40610, 48470, 69037, 82399, 97495, 138074, 150257, 164798, 194990, 300514, 345185, 411995, 690370, 751285, 823990, 1502570, 2554369, 5108738, 12771845, 25543690]

約数ペア:

[(1, 25543690), (2, 12771845), (5, 5108738), (10, 2554369), (17, 1502570), (31, 823990), (34, 751285), (37, 690370), (62, 411995), (74, 345185), (85, 300514), (131, 194990), (155, 164798), (170, 150257), (185, 138074), (262, 97495), (310, 82399), (370, 69037), (527, 48470), (629, 40610), (655, 38998), (1054, 24235), (1147, 22270), (1258, 20305), (1310, 19499), (2227, 11470), (2294, 11135), (2635, 9694), (3145, 8122), (4061, 6290), (4454, 5735), (4847, 5270)]