15908750

素因数分解:

$2^1\times 5^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1$

素因数の和:135

約数の個数: 80

約数和(自身を含む): 35426160

約数和(自身を除く): 19517410

約数列:

[1, 2, 5, 10, 11, 13, 22, 25, 26, 50, 55, 65, 89, 110, 125, 130, 143, 178, 250, 275, 286, 325, 445, 550, 625, 650, 715, 890, 979, 1157, 1250, 1375, 1430, 1625, 1958, 2225, 2314, 2750, 3250, 3575, 4450, 4895, 5785, 6875, 7150, 8125, 9790, 11125, 11570, 12727, 13750, 16250, 17875, 22250, 24475, 25454, 28925, 35750, 48950, 55625, 57850, 63635, 89375, 111250, 122375, 127270, 144625, 178750, 244750, 289250, 318175, 611875, 636350, 723125, 1223750, 1446250, 1590875, 3181750, 7954375, 15908750]

約数ペア:

[(1, 15908750), (2, 7954375), (5, 3181750), (10, 1590875), (11, 1446250), (13, 1223750), (22, 723125), (25, 636350), (26, 611875), (50, 318175), (55, 289250), (65, 244750), (89, 178750), (110, 144625), (125, 127270), (130, 122375), (143, 111250), (178, 89375), (250, 63635), (275, 57850), (286, 55625), (325, 48950), (445, 35750), (550, 28925), (625, 25454), (650, 24475), (715, 22250), (890, 17875), (979, 16250), (1157, 13750), (1250, 12727), (1375, 11570), (1430, 11125), (1625, 9790), (1958, 8125), (2225, 7150), (2314, 6875), (2750, 5785), (3250, 4895), (3575, 4450)]