26518980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{25999}}^1$

素因数の和:26028

約数の個数: 48

約数和(自身を含む): 78624000

約数和(自身を除く): 52105020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 510, 1020, 25999, 51998, 77997, 103996, 129995, 155994, 259990, 311988, 389985, 441983, 519980, 779970, 883966, 1325949, 1559940, 1767932, 2209915, 2651898, 4419830, 5303796, 6629745, 8839660, 13259490, 26518980]

約数ペア:

[(1, 26518980), (2, 13259490), (3, 8839660), (4, 6629745), (5, 5303796), (6, 4419830), (10, 2651898), (12, 2209915), (15, 1767932), (17, 1559940), (20, 1325949), (30, 883966), (34, 779970), (51, 519980), (60, 441983), (68, 389985), (85, 311988), (102, 259990), (170, 155994), (204, 129995), (255, 103996), (340, 77997), (510, 51998), (1020, 25999)]