1282167440

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{517003}}^1$

素因数の和:517047

約数の個数: 40

約数和(自身を含む): 3077207808

約数和(自身を除く): 1795040368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 517003, 1034006, 2068012, 2585015, 4136024, 5170030, 8272048, 10340060, 16027093, 20680120, 32054186, 41360240, 64108372, 80135465, 128216744, 160270930, 256433488, 320541860, 641083720, 1282167440]

約数ペア:

[(1, 1282167440), (2, 641083720), (4, 320541860), (5, 256433488), (8, 160270930), (10, 128216744), (16, 80135465), (20, 64108372), (31, 41360240), (40, 32054186), (62, 20680120), (80, 16027093), (124, 10340060), (155, 8272048), (248, 5170030), (310, 4136024), (496, 2585015), (620, 2068012), (1240, 1034006), (2480, 517003)]