82977080

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1097}}^1$

素因数の和:1200

約数の個数: 64

約数和(自身を含む): 196058880

約数和(自身を除く): 113081800

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 61, 62, 122, 124, 155, 244, 248, 305, 310, 488, 610, 620, 1097, 1220, 1240, 1891, 2194, 2440, 3782, 4388, 5485, 7564, 8776, 9455, 10970, 15128, 18910, 21940, 34007, 37820, 43880, 66917, 68014, 75640, 133834, 136028, 170035, 267668, 272056, 334585, 340070, 535336, 669170, 680140, 1338340, 1360280, 2074427, 2676680, 4148854, 8297708, 10372135, 16595416, 20744270, 41488540, 82977080]

約数ペア:

[(1, 82977080), (2, 41488540), (4, 20744270), (5, 16595416), (8, 10372135), (10, 8297708), (20, 4148854), (31, 2676680), (40, 2074427), (61, 1360280), (62, 1338340), (122, 680140), (124, 669170), (155, 535336), (244, 340070), (248, 334585), (305, 272056), (310, 267668), (488, 170035), (610, 136028), (620, 133834), (1097, 75640), (1220, 68014), (1240, 66917), (1891, 43880), (2194, 37820), (2440, 34007), (3782, 21940), (4388, 18910), (5485, 15128), (7564, 10970), (8776, 9455)]