27785920

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2801}}^1$

素因数の和:2849

約数の個数: 56

約数和(自身を含む): 68323968

約数和(自身を除く): 40538048

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, 1984, 2480, 2801, 4960, 5602, 9920, 11204, 14005, 22408, 28010, 44816, 56020, 86831, 89632, 112040, 173662, 179264, 224080, 347324, 434155, 448160, 694648, 868310, 896320, 1389296, 1736620, 2778592, 3473240, 5557184, 6946480, 13892960, 27785920]

約数ペア:

[(1, 27785920), (2, 13892960), (4, 6946480), (5, 5557184), (8, 3473240), (10, 2778592), (16, 1736620), (20, 1389296), (31, 896320), (32, 868310), (40, 694648), (62, 448160), (64, 434155), (80, 347324), (124, 224080), (155, 179264), (160, 173662), (248, 112040), (310, 89632), (320, 86831), (496, 56020), (620, 44816), (992, 28010), (1240, 22408), (1984, 14005), (2480, 11204), (2801, 9920), (4960, 5602)]