806218240

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{10159}}^1$

素因数の和:10213

約数の個数: 80

約数和(自身を含む): 1995586560

約数和(自身を除く): 1189368320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 512, 620, 640, 992, 1240, 1280, 1984, 2480, 2560, 3968, 4960, 7936, 9920, 10159, 15872, 19840, 20318, 39680, 40636, 50795, 79360, 81272, 101590, 162544, 203180, 314929, 325088, 406360, 629858, 650176, 812720, 1259716, 1300352, 1574645, 1625440, 2519432, 2600704, 3149290, 3250880, 5038864, 5201408, 6298580, 6501760, 10077728, 12597160, 13003520, 20155456, 25194320, 26007040, 40310912, 50388640, 80621824, 100777280, 161243648, 201554560, 403109120, 806218240]

約数ペア:

[(1, 806218240), (2, 403109120), (4, 201554560), (5, 161243648), (8, 100777280), (10, 80621824), (16, 50388640), (20, 40310912), (31, 26007040), (32, 25194320), (40, 20155456), (62, 13003520), (64, 12597160), (80, 10077728), (124, 6501760), (128, 6298580), (155, 5201408), (160, 5038864), (248, 3250880), (256, 3149290), (310, 2600704), (320, 2519432), (496, 1625440), (512, 1574645), (620, 1300352), (640, 1259716), (992, 812720), (1240, 650176), (1280, 629858), (1984, 406360), (2480, 325088), (2560, 314929), (3968, 203180), (4960, 162544), (7936, 101590), (9920, 81272), (10159, 79360), (15872, 50795), (19840, 40636), (20318, 39680)]