8528720

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:244

約数の個数: 80

約数和(自身を含む): 21665280

約数和(自身を除く): 13136560

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 38, 40, 62, 76, 80, 95, 124, 152, 155, 181, 190, 248, 304, 310, 362, 380, 496, 589, 620, 724, 760, 905, 1178, 1240, 1448, 1520, 1810, 2356, 2480, 2896, 2945, 3439, 3620, 4712, 5611, 5890, 6878, 7240, 9424, 11222, 11780, 13756, 14480, 17195, 22444, 23560, 27512, 28055, 34390, 44888, 47120, 55024, 56110, 68780, 89776, 106609, 112220, 137560, 213218, 224440, 275120, 426436, 448880, 533045, 852872, 1066090, 1705744, 2132180, 4264360, 8528720]

約数ペア:

[(1, 8528720), (2, 4264360), (4, 2132180), (5, 1705744), (8, 1066090), (10, 852872), (16, 533045), (19, 448880), (20, 426436), (31, 275120), (38, 224440), (40, 213218), (62, 137560), (76, 112220), (80, 106609), (95, 89776), (124, 68780), (152, 56110), (155, 55024), (181, 47120), (190, 44888), (248, 34390), (304, 28055), (310, 27512), (362, 23560), (380, 22444), (496, 17195), (589, 14480), (620, 13756), (724, 11780), (760, 11222), (905, 9424), (1178, 7240), (1240, 6878), (1448, 5890), (1520, 5611), (1810, 4712), (2356, 3620), (2480, 3439), (2896, 2945)]