29118920

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1021}}^1$

素因数の和:1086

約数の個数: 64

約数和(自身を含む): 70640640

約数和(自身を除く): 41521720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 31, 40, 46, 62, 92, 115, 124, 155, 184, 230, 248, 310, 460, 620, 713, 920, 1021, 1240, 1426, 2042, 2852, 3565, 4084, 5105, 5704, 7130, 8168, 10210, 14260, 20420, 23483, 28520, 31651, 40840, 46966, 63302, 93932, 117415, 126604, 158255, 187864, 234830, 253208, 316510, 469660, 633020, 727973, 939320, 1266040, 1455946, 2911892, 3639865, 5823784, 7279730, 14559460, 29118920]

約数ペア:

[(1, 29118920), (2, 14559460), (4, 7279730), (5, 5823784), (8, 3639865), (10, 2911892), (20, 1455946), (23, 1266040), (31, 939320), (40, 727973), (46, 633020), (62, 469660), (92, 316510), (115, 253208), (124, 234830), (155, 187864), (184, 158255), (230, 126604), (248, 117415), (310, 93932), (460, 63302), (620, 46966), (713, 40840), (920, 31651), (1021, 28520), (1240, 23483), (1426, 20420), (2042, 14260), (2852, 10210), (3565, 8168), (4084, 7130), (5105, 5704)]