22002500

素因数分解:

$2^2\times 5^4\times {\mathrm{13}}^1\times {\mathrm{677}}^1$

素因数の和:714

約数の個数: 60

約数和(自身を含む): 51892764

約数和(自身を除く): 29890264

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 500, 625, 650, 677, 1250, 1300, 1354, 1625, 2500, 2708, 3250, 3385, 6500, 6770, 8125, 8801, 13540, 16250, 16925, 17602, 32500, 33850, 35204, 44005, 67700, 84625, 88010, 169250, 176020, 220025, 338500, 423125, 440050, 846250, 880100, 1100125, 1692500, 2200250, 4400500, 5500625, 11001250, 22002500]

約数ペア:

[(1, 22002500), (2, 11001250), (4, 5500625), (5, 4400500), (10, 2200250), (13, 1692500), (20, 1100125), (25, 880100), (26, 846250), (50, 440050), (52, 423125), (65, 338500), (100, 220025), (125, 176020), (130, 169250), (250, 88010), (260, 84625), (325, 67700), (500, 44005), (625, 35204), (650, 33850), (677, 32500), (1250, 17602), (1300, 16925), (1354, 16250), (1625, 13540), (2500, 8801), (2708, 8125), (3250, 6770), (3385, 6500)]