15842240

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1597}}^1$

素因数の和:1645

約数の個数: 56

約数和(自身を含む): 38965632

約数和(自身を除く): 23123392

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1597, 1984, 2480, 3194, 4960, 6388, 7985, 9920, 12776, 15970, 25552, 31940, 49507, 51104, 63880, 99014, 102208, 127760, 198028, 247535, 255520, 396056, 495070, 511040, 792112, 990140, 1584224, 1980280, 3168448, 3960560, 7921120, 15842240]

約数ペア:

[(1, 15842240), (2, 7921120), (4, 3960560), (5, 3168448), (8, 1980280), (10, 1584224), (16, 990140), (20, 792112), (31, 511040), (32, 495070), (40, 396056), (62, 255520), (64, 247535), (80, 198028), (124, 127760), (155, 102208), (160, 99014), (248, 63880), (310, 51104), (320, 49507), (496, 31940), (620, 25552), (992, 15970), (1240, 12776), (1597, 9920), (1984, 7985), (2480, 6388), (3194, 4960)]