80025970

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{211}}^1$

素因数の和:355

約数の個数: 64

約数和(自身を含む): 161554176

約数和(自身を除く): 81528206

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 85, 97, 115, 170, 194, 211, 230, 391, 422, 485, 782, 970, 1055, 1649, 1955, 2110, 2231, 3298, 3587, 3910, 4462, 4853, 7174, 8245, 9706, 11155, 16490, 17935, 20467, 22310, 24265, 35870, 37927, 40934, 48530, 75854, 82501, 102335, 165002, 189635, 204670, 347939, 379270, 412505, 470741, 695878, 825010, 941482, 1739695, 2353705, 3479390, 4707410, 8002597, 16005194, 40012985, 80025970]

約数ペア:

[(1, 80025970), (2, 40012985), (5, 16005194), (10, 8002597), (17, 4707410), (23, 3479390), (34, 2353705), (46, 1739695), (85, 941482), (97, 825010), (115, 695878), (170, 470741), (194, 412505), (211, 379270), (230, 347939), (391, 204670), (422, 189635), (485, 165002), (782, 102335), (970, 82501), (1055, 75854), (1649, 48530), (1955, 40934), (2110, 37927), (2231, 35870), (3298, 24265), (3587, 22310), (3910, 20467), (4462, 17935), (4853, 16490), (7174, 11155), (8245, 9706)]