27708980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{6269}}^1$

素因数の和:6308

約数の個数: 48

約数和(自身を含む): 66361680

約数和(自身を除く): 38652700

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 6269, 12538, 25076, 31345, 62690, 81497, 106573, 125380, 162994, 213146, 325988, 407485, 426292, 532865, 814970, 1065730, 1385449, 1629940, 2131460, 2770898, 5541796, 6927245, 13854490, 27708980]

約数ペア:

[(1, 27708980), (2, 13854490), (4, 6927245), (5, 5541796), (10, 2770898), (13, 2131460), (17, 1629940), (20, 1385449), (26, 1065730), (34, 814970), (52, 532865), (65, 426292), (68, 407485), (85, 325988), (130, 213146), (170, 162994), (221, 125380), (260, 106573), (340, 81497), (442, 62690), (884, 31345), (1105, 25076), (2210, 12538), (4420, 6269)]