22562500

素因数分解:

$2^2\times 5^6\times {\mathrm{19}}^2$

素因数の和:72

約数の個数: 63

約数和(自身を含む): 52089177

約数和(自身を除く): 29526677

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 125, 190, 250, 361, 380, 475, 500, 625, 722, 950, 1250, 1444, 1805, 1900, 2375, 2500, 3125, 3610, 4750, 6250, 7220, 9025, 9500, 11875, 12500, 15625, 18050, 23750, 31250, 36100, 45125, 47500, 59375, 62500, 90250, 118750, 180500, 225625, 237500, 296875, 451250, 593750, 902500, 1128125, 1187500, 2256250, 4512500, 5640625, 11281250, 22562500]

約数ペア:

[(1, 22562500), (2, 11281250), (4, 5640625), (5, 4512500), (10, 2256250), (19, 1187500), (20, 1128125), (25, 902500), (38, 593750), (50, 451250), (76, 296875), (95, 237500), (100, 225625), (125, 180500), (190, 118750), (250, 90250), (361, 62500), (380, 59375), (475, 47500), (500, 45125), (625, 36100), (722, 31250), (950, 23750), (1250, 18050), (1444, 15625), (1805, 12500), (1900, 11875), (2375, 9500), (2500, 9025), (3125, 7220), (3610, 6250)]