28660060

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{911}}^1$

素因数の和:955

約数の個数: 72

約数和(自身を含む): 71322048

約数和(自身を除く): 42661988

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 121, 130, 143, 220, 242, 260, 286, 484, 572, 605, 715, 911, 1210, 1430, 1573, 1822, 2420, 2860, 3146, 3644, 4555, 6292, 7865, 9110, 10021, 11843, 15730, 18220, 20042, 23686, 31460, 40084, 47372, 50105, 59215, 100210, 110231, 118430, 130273, 200420, 220462, 236860, 260546, 440924, 521092, 551155, 651365, 1102310, 1302730, 1433003, 2204620, 2605460, 2866006, 5732012, 7165015, 14330030, 28660060]

約数ペア:

[(1, 28660060), (2, 14330030), (4, 7165015), (5, 5732012), (10, 2866006), (11, 2605460), (13, 2204620), (20, 1433003), (22, 1302730), (26, 1102310), (44, 651365), (52, 551155), (55, 521092), (65, 440924), (110, 260546), (121, 236860), (130, 220462), (143, 200420), (220, 130273), (242, 118430), (260, 110231), (286, 100210), (484, 59215), (572, 50105), (605, 47372), (715, 40084), (911, 31460), (1210, 23686), (1430, 20042), (1573, 18220), (1822, 15730), (2420, 11843), (2860, 10021), (3146, 9110), (3644, 7865), (4555, 6292)]