99810080

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{20123}}^1$

素因数の和:20169

約数の個数: 48

約数和(自身を含む): 243419904

約数和(自身を除く): 143609824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 20123, 40246, 80492, 100615, 160984, 201230, 321968, 402460, 623813, 643936, 804920, 1247626, 1609840, 2495252, 3119065, 3219680, 4990504, 6238130, 9981008, 12476260, 19962016, 24952520, 49905040, 99810080]

約数ペア:

[(1, 99810080), (2, 49905040), (4, 24952520), (5, 19962016), (8, 12476260), (10, 9981008), (16, 6238130), (20, 4990504), (31, 3219680), (32, 3119065), (40, 2495252), (62, 1609840), (80, 1247626), (124, 804920), (155, 643936), (160, 623813), (248, 402460), (310, 321968), (496, 201230), (620, 160984), (992, 100615), (1240, 80492), (2480, 40246), (4960, 20123)]