266789900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{205223}}^1$

素因数の和:205250

約数の個数: 36

約数和(自身を含む): 623470512

約数和(自身を除く): 356680612

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 205223, 410446, 820892, 1026115, 2052230, 2667899, 4104460, 5130575, 5335798, 10261150, 10671596, 13339495, 20522300, 26678990, 53357980, 66697475, 133394950, 266789900]

約数ペア:

[(1, 266789900), (2, 133394950), (4, 66697475), (5, 53357980), (10, 26678990), (13, 20522300), (20, 13339495), (25, 10671596), (26, 10261150), (50, 5335798), (52, 5130575), (65, 4104460), (100, 2667899), (130, 2052230), (260, 1026115), (325, 820892), (650, 410446), (1300, 205223)]