28135000

素因数分解:

$2^3\times 5^4\times {\mathrm{17}}^1\times {\mathrm{331}}^1$

素因数の和:374

約数の個数: 80

約数和(自身を含む): 70008840

約数和(自身を除く): 41873840

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 68, 85, 100, 125, 136, 170, 200, 250, 331, 340, 425, 500, 625, 662, 680, 850, 1000, 1250, 1324, 1655, 1700, 2125, 2500, 2648, 3310, 3400, 4250, 5000, 5627, 6620, 8275, 8500, 10625, 11254, 13240, 16550, 17000, 21250, 22508, 28135, 33100, 41375, 42500, 45016, 56270, 66200, 82750, 85000, 112540, 140675, 165500, 206875, 225080, 281350, 331000, 413750, 562700, 703375, 827500, 1125400, 1406750, 1655000, 2813500, 3516875, 5627000, 7033750, 14067500, 28135000]

約数ペア:

[(1, 28135000), (2, 14067500), (4, 7033750), (5, 5627000), (8, 3516875), (10, 2813500), (17, 1655000), (20, 1406750), (25, 1125400), (34, 827500), (40, 703375), (50, 562700), (68, 413750), (85, 331000), (100, 281350), (125, 225080), (136, 206875), (170, 165500), (200, 140675), (250, 112540), (331, 85000), (340, 82750), (425, 66200), (500, 56270), (625, 45016), (662, 42500), (680, 41375), (850, 33100), (1000, 28135), (1250, 22508), (1324, 21250), (1655, 17000), (1700, 16550), (2125, 13240), (2500, 11254), (2648, 10625), (3310, 8500), (3400, 8275), (4250, 6620), (5000, 5627)]