2001099440

素因数分解:

$2^4\times 5^1\times {\mathrm{641}}^1\times {\mathrm{39023}}^1$

素因数の和:39677

約数の個数: 40

約数和(自身を含む): 4659933888

約数和(自身を除く): 2658834448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 641, 1282, 2564, 3205, 5128, 6410, 10256, 12820, 25640, 39023, 51280, 78046, 156092, 195115, 312184, 390230, 624368, 780460, 1560920, 3121840, 25013743, 50027486, 100054972, 125068715, 200109944, 250137430, 400219888, 500274860, 1000549720, 2001099440]

約数ペア:

[(1, 2001099440), (2, 1000549720), (4, 500274860), (5, 400219888), (8, 250137430), (10, 200109944), (16, 125068715), (20, 100054972), (40, 50027486), (80, 25013743), (641, 3121840), (1282, 1560920), (2564, 780460), (3205, 624368), (5128, 390230), (6410, 312184), (10256, 195115), (12820, 156092), (25640, 78046), (39023, 51280)]