79880960

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3671}}^1$

素因数の和:3709

約数の個数: 72

約数和(自身を含む): 202650336

約数和(自身を除く): 122769376

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 544, 640, 680, 1088, 1280, 1360, 2176, 2720, 3671, 4352, 5440, 7342, 10880, 14684, 18355, 21760, 29368, 36710, 58736, 62407, 73420, 117472, 124814, 146840, 234944, 249628, 293680, 312035, 469888, 499256, 587360, 624070, 939776, 998512, 1174720, 1248140, 1997024, 2349440, 2496280, 3994048, 4698880, 4992560, 7988096, 9985120, 15976192, 19970240, 39940480, 79880960]

約数ペア:

[(1, 79880960), (2, 39940480), (4, 19970240), (5, 15976192), (8, 9985120), (10, 7988096), (16, 4992560), (17, 4698880), (20, 3994048), (32, 2496280), (34, 2349440), (40, 1997024), (64, 1248140), (68, 1174720), (80, 998512), (85, 939776), (128, 624070), (136, 587360), (160, 499256), (170, 469888), (256, 312035), (272, 293680), (320, 249628), (340, 234944), (544, 146840), (640, 124814), (680, 117472), (1088, 73420), (1280, 62407), (1360, 58736), (2176, 36710), (2720, 29368), (3671, 21760), (4352, 18355), (5440, 14684), (7342, 10880)]