53978440

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{431}}^1$

素因数の和:574

約数の個数: 64

約数和(自身を含む): 126904320

約数和(自身を除く): 72925880

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 101, 124, 155, 202, 248, 310, 404, 431, 505, 620, 808, 862, 1010, 1240, 1724, 2020, 2155, 3131, 3448, 4040, 4310, 6262, 8620, 12524, 13361, 15655, 17240, 25048, 26722, 31310, 43531, 53444, 62620, 66805, 87062, 106888, 125240, 133610, 174124, 217655, 267220, 348248, 435310, 534440, 870620, 1349461, 1741240, 2698922, 5397844, 6747305, 10795688, 13494610, 26989220, 53978440]

約数ペア:

[(1, 53978440), (2, 26989220), (4, 13494610), (5, 10795688), (8, 6747305), (10, 5397844), (20, 2698922), (31, 1741240), (40, 1349461), (62, 870620), (101, 534440), (124, 435310), (155, 348248), (202, 267220), (248, 217655), (310, 174124), (404, 133610), (431, 125240), (505, 106888), (620, 87062), (808, 66805), (862, 62620), (1010, 53444), (1240, 43531), (1724, 31310), (2020, 26722), (2155, 25048), (3131, 17240), (3448, 15655), (4040, 13361), (4310, 12524), (6262, 8620)]