55783880

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{44987}}^1$

素因数の和:45029

約数の個数: 32

約数和(自身を含む): 129565440

約数和(自身を除く): 73781560

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 44987, 89974, 179948, 224935, 359896, 449870, 899740, 1394597, 1799480, 2789194, 5578388, 6972985, 11156776, 13945970, 27891940, 55783880]

約数ペア:

[(1, 55783880), (2, 27891940), (4, 13945970), (5, 11156776), (8, 6972985), (10, 5578388), (20, 2789194), (31, 1799480), (40, 1394597), (62, 899740), (124, 449870), (155, 359896), (248, 224935), (310, 179948), (620, 89974), (1240, 44987)]