31567760

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{8053}}^1$

素因数の和:8080

約数の個数: 60

約数和(自身を含む): 85388508

約数和(自身を除く): 53820748

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 8053, 16106, 32212, 40265, 56371, 64424, 80530, 112742, 128848, 161060, 225484, 281855, 322120, 394597, 450968, 563710, 644240, 789194, 901936, 1127420, 1578388, 1972985, 2254840, 3156776, 3945970, 4509680, 6313552, 7891940, 15783880, 31567760]

約数ペア:

[(1, 31567760), (2, 15783880), (4, 7891940), (5, 6313552), (7, 4509680), (8, 3945970), (10, 3156776), (14, 2254840), (16, 1972985), (20, 1578388), (28, 1127420), (35, 901936), (40, 789194), (49, 644240), (56, 563710), (70, 450968), (80, 394597), (98, 322120), (112, 281855), (140, 225484), (196, 161060), (245, 128848), (280, 112742), (392, 80530), (490, 64424), (560, 56371), (784, 40265), (980, 32212), (1960, 16106), (3920, 8053)]