160836040

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{997}}^1$

素因数の和:1154

約数の個数: 64

約数和(自身を含む): 375447600

約数和(自身を除く): 214611560

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 109, 148, 185, 218, 296, 370, 436, 545, 740, 872, 997, 1090, 1480, 1994, 2180, 3988, 4033, 4360, 4985, 7976, 8066, 9970, 16132, 19940, 20165, 32264, 36889, 39880, 40330, 73778, 80660, 108673, 147556, 161320, 184445, 217346, 295112, 368890, 434692, 543365, 737780, 869384, 1086730, 1475560, 2173460, 4020901, 4346920, 8041802, 16083604, 20104505, 32167208, 40209010, 80418020, 160836040]

約数ペア:

[(1, 160836040), (2, 80418020), (4, 40209010), (5, 32167208), (8, 20104505), (10, 16083604), (20, 8041802), (37, 4346920), (40, 4020901), (74, 2173460), (109, 1475560), (148, 1086730), (185, 869384), (218, 737780), (296, 543365), (370, 434692), (436, 368890), (545, 295112), (740, 217346), (872, 184445), (997, 161320), (1090, 147556), (1480, 108673), (1994, 80660), (2180, 73778), (3988, 40330), (4033, 39880), (4360, 36889), (4985, 32264), (7976, 20165), (8066, 19940), (9970, 16132)]