28774460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{10061}}^1$

素因数の和:10094

約数の個数: 48

約数和(自身を含む): 70997472

約数和(自身を除く): 42223012

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 10061, 20122, 40244, 50305, 100610, 110671, 130793, 201220, 221342, 261586, 442684, 523172, 553355, 653965, 1106710, 1307930, 1438723, 2213420, 2615860, 2877446, 5754892, 7193615, 14387230, 28774460]

約数ペア:

[(1, 28774460), (2, 14387230), (4, 7193615), (5, 5754892), (10, 2877446), (11, 2615860), (13, 2213420), (20, 1438723), (22, 1307930), (26, 1106710), (44, 653965), (52, 553355), (55, 523172), (65, 442684), (110, 261586), (130, 221342), (143, 201220), (220, 130793), (260, 110671), (286, 100610), (572, 50305), (715, 40244), (1430, 20122), (2860, 10061)]