264998240

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127403}}^1$

素因数の和:127431

約数の個数: 48

約数和(自身を含む): 674221968

約数和(自身を除く): 409223728

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 127403, 254806, 509612, 637015, 1019224, 1274030, 1656239, 2038448, 2548060, 3312478, 4076896, 5096120, 6624956, 8281195, 10192240, 13249912, 16562390, 20384480, 26499824, 33124780, 52999648, 66249560, 132499120, 264998240]

約数ペア:

[(1, 264998240), (2, 132499120), (4, 66249560), (5, 52999648), (8, 33124780), (10, 26499824), (13, 20384480), (16, 16562390), (20, 13249912), (26, 10192240), (32, 8281195), (40, 6624956), (52, 5096120), (65, 4076896), (80, 3312478), (104, 2548060), (130, 2038448), (160, 1656239), (208, 1274030), (260, 1019224), (416, 637015), (520, 509612), (1040, 254806), (2080, 127403)]