31635760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1601}}^1$

素因数の和:1646

約数の個数: 80

約数和(自身を含む): 83432160

約数和(自身を除く): 51796400

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 190, 208, 247, 260, 304, 380, 494, 520, 760, 988, 1040, 1235, 1520, 1601, 1976, 2470, 3202, 3952, 4940, 6404, 8005, 9880, 12808, 16010, 19760, 20813, 25616, 30419, 32020, 41626, 60838, 64040, 83252, 104065, 121676, 128080, 152095, 166504, 208130, 243352, 304190, 333008, 395447, 416260, 486704, 608380, 790894, 832520, 1216760, 1581788, 1665040, 1977235, 2433520, 3163576, 3954470, 6327152, 7908940, 15817880, 31635760]

約数ペア:

[(1, 31635760), (2, 15817880), (4, 7908940), (5, 6327152), (8, 3954470), (10, 3163576), (13, 2433520), (16, 1977235), (19, 1665040), (20, 1581788), (26, 1216760), (38, 832520), (40, 790894), (52, 608380), (65, 486704), (76, 416260), (80, 395447), (95, 333008), (104, 304190), (130, 243352), (152, 208130), (190, 166504), (208, 152095), (247, 128080), (260, 121676), (304, 104065), (380, 83252), (494, 64040), (520, 60838), (760, 41626), (988, 32020), (1040, 30419), (1235, 25616), (1520, 20813), (1601, 19760), (1976, 16010), (2470, 12808), (3202, 9880), (3952, 8005), (4940, 6404)]