21527384080

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{45127}}^1$

素因数の和:45296

約数の個数: 80

約数和(自身を含む): 51370104960

約数和(自身を除く): 29842720880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 89, 134, 178, 268, 335, 356, 445, 536, 670, 712, 890, 1072, 1340, 1424, 1780, 2680, 3560, 5360, 5963, 7120, 11926, 23852, 29815, 45127, 47704, 59630, 90254, 95408, 119260, 180508, 225635, 238520, 361016, 451270, 477040, 722032, 902540, 1805080, 3023509, 3610160, 4016303, 6047018, 8032606, 12094036, 15117545, 16065212, 20081515, 24188072, 30235090, 32130424, 40163030, 48376144, 60470180, 64260848, 80326060, 120940360, 160652120, 241880720, 269092301, 321304240, 538184602, 1076369204, 1345461505, 2152738408, 2690923010, 4305476816, 5381846020, 10763692040, 21527384080]

約数ペア:

[(1, 21527384080), (2, 10763692040), (4, 5381846020), (5, 4305476816), (8, 2690923010), (10, 2152738408), (16, 1345461505), (20, 1076369204), (40, 538184602), (67, 321304240), (80, 269092301), (89, 241880720), (134, 160652120), (178, 120940360), (268, 80326060), (335, 64260848), (356, 60470180), (445, 48376144), (536, 40163030), (670, 32130424), (712, 30235090), (890, 24188072), (1072, 20081515), (1340, 16065212), (1424, 15117545), (1780, 12094036), (2680, 8032606), (3560, 6047018), (5360, 4016303), (5963, 3610160), (7120, 3023509), (11926, 1805080), (23852, 902540), (29815, 722032), (45127, 477040), (47704, 451270), (59630, 361016), (90254, 238520), (95408, 225635), (119260, 180508)]