89696080

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{653}}^1$

素因数の和:784

約数の個数: 80

約数和(自身を含む): 223338384

約数和(自身を除く): 133642304

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 101, 136, 170, 202, 272, 340, 404, 505, 653, 680, 808, 1010, 1306, 1360, 1616, 1717, 2020, 2612, 3265, 3434, 4040, 5224, 6530, 6868, 8080, 8585, 10448, 11101, 13060, 13736, 17170, 22202, 26120, 27472, 34340, 44404, 52240, 55505, 65953, 68680, 88808, 111010, 131906, 137360, 177616, 222020, 263812, 329765, 444040, 527624, 659530, 888080, 1055248, 1121201, 1319060, 2242402, 2638120, 4484804, 5276240, 5606005, 8969608, 11212010, 17939216, 22424020, 44848040, 89696080]

約数ペア:

[(1, 89696080), (2, 44848040), (4, 22424020), (5, 17939216), (8, 11212010), (10, 8969608), (16, 5606005), (17, 5276240), (20, 4484804), (34, 2638120), (40, 2242402), (68, 1319060), (80, 1121201), (85, 1055248), (101, 888080), (136, 659530), (170, 527624), (202, 444040), (272, 329765), (340, 263812), (404, 222020), (505, 177616), (653, 137360), (680, 131906), (808, 111010), (1010, 88808), (1306, 68680), (1360, 65953), (1616, 55505), (1717, 52240), (2020, 44404), (2612, 34340), (3265, 27472), (3434, 26120), (4040, 22202), (5224, 17170), (6530, 13736), (6868, 13060), (8080, 11101), (8585, 10448)]