66700160

素因数分解:

$2^7\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1171}}^1$

素因数の和:1279

約数の個数: 64

約数和(自身を含む): 161384400

約数和(自身を除く): 94684240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 128, 160, 178, 320, 356, 445, 640, 712, 890, 1171, 1424, 1780, 2342, 2848, 3560, 4684, 5696, 5855, 7120, 9368, 11392, 11710, 14240, 18736, 23420, 28480, 37472, 46840, 56960, 74944, 93680, 104219, 149888, 187360, 208438, 374720, 416876, 521095, 749440, 833752, 1042190, 1667504, 2084380, 3335008, 4168760, 6670016, 8337520, 13340032, 16675040, 33350080, 66700160]

約数ペア:

[(1, 66700160), (2, 33350080), (4, 16675040), (5, 13340032), (8, 8337520), (10, 6670016), (16, 4168760), (20, 3335008), (32, 2084380), (40, 1667504), (64, 1042190), (80, 833752), (89, 749440), (128, 521095), (160, 416876), (178, 374720), (320, 208438), (356, 187360), (445, 149888), (640, 104219), (712, 93680), (890, 74944), (1171, 56960), (1424, 46840), (1780, 37472), (2342, 28480), (2848, 23420), (3560, 18736), (4684, 14240), (5696, 11710), (5855, 11392), (7120, 9368)]