2606500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{401}}^1$

素因数の和:433

約数の個数: 48

約数和(自身を含む): 6145776

約数和(自身を除く): 3539276

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 401, 500, 650, 802, 1300, 1604, 1625, 2005, 3250, 4010, 5213, 6500, 8020, 10025, 10426, 20050, 20852, 26065, 40100, 50125, 52130, 100250, 104260, 130325, 200500, 260650, 521300, 651625, 1303250, 2606500]

約数ペア:

[(1, 2606500), (2, 1303250), (4, 651625), (5, 521300), (10, 260650), (13, 200500), (20, 130325), (25, 104260), (26, 100250), (50, 52130), (52, 50125), (65, 40100), (100, 26065), (125, 20852), (130, 20050), (250, 10426), (260, 10025), (325, 8020), (401, 6500), (500, 5213), (650, 4010), (802, 3250), (1300, 2005), (1604, 1625)]