55571840

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2801}}^1$

素因数の和:2851

約数の個数: 64

約数和(自身を含む): 137185920

約数和(自身を除く): 81614080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1984, 2480, 2801, 3968, 4960, 5602, 9920, 11204, 14005, 19840, 22408, 28010, 44816, 56020, 86831, 89632, 112040, 173662, 179264, 224080, 347324, 358528, 434155, 448160, 694648, 868310, 896320, 1389296, 1736620, 1792640, 2778592, 3473240, 5557184, 6946480, 11114368, 13892960, 27785920, 55571840]

約数ペア:

[(1, 55571840), (2, 27785920), (4, 13892960), (5, 11114368), (8, 6946480), (10, 5557184), (16, 3473240), (20, 2778592), (31, 1792640), (32, 1736620), (40, 1389296), (62, 896320), (64, 868310), (80, 694648), (124, 448160), (128, 434155), (155, 358528), (160, 347324), (248, 224080), (310, 179264), (320, 173662), (496, 112040), (620, 89632), (640, 86831), (992, 56020), (1240, 44816), (1984, 28010), (2480, 22408), (2801, 19840), (3968, 14005), (4960, 11204), (5602, 9920)]