20261250

素因数分解:

$2^1\times 3^2\times 5^4\times {\mathrm{1801}}^1$

素因数の和:1829

約数の個数: 60

約数和(自身を含む): 54887118

約数和(自身を除く): 34625868

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 125, 150, 225, 250, 375, 450, 625, 750, 1125, 1250, 1801, 1875, 2250, 3602, 3750, 5403, 5625, 9005, 10806, 11250, 16209, 18010, 27015, 32418, 45025, 54030, 81045, 90050, 135075, 162090, 225125, 270150, 405225, 450250, 675375, 810450, 1125625, 1350750, 2026125, 2251250, 3376875, 4052250, 6753750, 10130625, 20261250]

約数ペア:

[(1, 20261250), (2, 10130625), (3, 6753750), (5, 4052250), (6, 3376875), (9, 2251250), (10, 2026125), (15, 1350750), (18, 1125625), (25, 810450), (30, 675375), (45, 450250), (50, 405225), (75, 270150), (90, 225125), (125, 162090), (150, 135075), (225, 90050), (250, 81045), (375, 54030), (450, 45025), (625, 32418), (750, 27015), (1125, 18010), (1250, 16209), (1801, 11250), (1875, 10806), (2250, 9005), (3602, 5625), (3750, 5403)]