25913940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{33223}}^1$

素因数の和:33248

約数の個数: 48

約数和(自身を含む): 78142848

約数和(自身を除く): 52228908

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 33223, 66446, 99669, 132892, 166115, 199338, 332230, 398676, 431899, 498345, 664460, 863798, 996690, 1295697, 1727596, 1993380, 2159495, 2591394, 4318990, 5182788, 6478485, 8637980, 12956970, 25913940]

約数ペア:

[(1, 25913940), (2, 12956970), (3, 8637980), (4, 6478485), (5, 5182788), (6, 4318990), (10, 2591394), (12, 2159495), (13, 1993380), (15, 1727596), (20, 1295697), (26, 996690), (30, 863798), (39, 664460), (52, 498345), (60, 431899), (65, 398676), (78, 332230), (130, 199338), (156, 166115), (195, 132892), (260, 99669), (390, 66446), (780, 33223)]