25071940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1993}}^1$

素因数の和:2056

約数の個数: 48

約数和(自身を含む): 57283632

約数和(自身を除く): 32211692

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 37, 68, 74, 85, 148, 170, 185, 340, 370, 629, 740, 1258, 1993, 2516, 3145, 3986, 6290, 7972, 9965, 12580, 19930, 33881, 39860, 67762, 73741, 135524, 147482, 169405, 294964, 338810, 368705, 677620, 737410, 1253597, 1474820, 2507194, 5014388, 6267985, 12535970, 25071940]

約数ペア:

[(1, 25071940), (2, 12535970), (4, 6267985), (5, 5014388), (10, 2507194), (17, 1474820), (20, 1253597), (34, 737410), (37, 677620), (68, 368705), (74, 338810), (85, 294964), (148, 169405), (170, 147482), (185, 135524), (340, 73741), (370, 67762), (629, 39860), (740, 33881), (1258, 19930), (1993, 12580), (2516, 9965), (3145, 7972), (3986, 6290)]