49854080

素因数分解:

$2^7\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1277}}^1$

素因数の和:1357

約数の個数: 64

約数和(自身を含む): 121231080

約数和(自身を除く): 71377000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 160, 244, 305, 320, 488, 610, 640, 976, 1220, 1277, 1952, 2440, 2554, 3904, 4880, 5108, 6385, 7808, 9760, 10216, 12770, 19520, 20432, 25540, 39040, 40864, 51080, 77897, 81728, 102160, 155794, 163456, 204320, 311588, 389485, 408640, 623176, 778970, 817280, 1246352, 1557940, 2492704, 3115880, 4985408, 6231760, 9970816, 12463520, 24927040, 49854080]

約数ペア:

[(1, 49854080), (2, 24927040), (4, 12463520), (5, 9970816), (8, 6231760), (10, 4985408), (16, 3115880), (20, 2492704), (32, 1557940), (40, 1246352), (61, 817280), (64, 778970), (80, 623176), (122, 408640), (128, 389485), (160, 311588), (244, 204320), (305, 163456), (320, 155794), (488, 102160), (610, 81728), (640, 77897), (976, 51080), (1220, 40864), (1277, 39040), (1952, 25540), (2440, 20432), (2554, 19520), (3904, 12770), (4880, 10216), (5108, 9760), (6385, 7808)]