8109680

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:186

約数の個数: 80

約数和(自身を含む): 20489760

約数和(自身を除く): 12380080

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 67, 68, 80, 85, 89, 134, 136, 170, 178, 268, 272, 335, 340, 356, 445, 536, 670, 680, 712, 890, 1072, 1139, 1340, 1360, 1424, 1513, 1780, 2278, 2680, 3026, 3560, 4556, 5360, 5695, 5963, 6052, 7120, 7565, 9112, 11390, 11926, 12104, 15130, 18224, 22780, 23852, 24208, 29815, 30260, 45560, 47704, 59630, 60520, 91120, 95408, 101371, 119260, 121040, 202742, 238520, 405484, 477040, 506855, 810968, 1013710, 1621936, 2027420, 4054840, 8109680]

約数ペア:

[(1, 8109680), (2, 4054840), (4, 2027420), (5, 1621936), (8, 1013710), (10, 810968), (16, 506855), (17, 477040), (20, 405484), (34, 238520), (40, 202742), (67, 121040), (68, 119260), (80, 101371), (85, 95408), (89, 91120), (134, 60520), (136, 59630), (170, 47704), (178, 45560), (268, 30260), (272, 29815), (335, 24208), (340, 23852), (356, 22780), (445, 18224), (536, 15130), (670, 12104), (680, 11926), (712, 11390), (890, 9112), (1072, 7565), (1139, 7120), (1340, 6052), (1360, 5963), (1424, 5695), (1513, 5360), (1780, 4556), (2278, 3560), (2680, 3026)]