200838640

素因数分解:

$2^4\times 5^1\times {\mathrm{491}}^1\times {\mathrm{5113}}^1$

素因数の和:5617

約数の個数: 40

約数和(自身を含む): 467992368

約数和(自身を除く): 267153728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 491, 982, 1964, 2455, 3928, 4910, 5113, 7856, 9820, 10226, 19640, 20452, 25565, 39280, 40904, 51130, 81808, 102260, 204520, 409040, 2510483, 5020966, 10041932, 12552415, 20083864, 25104830, 40167728, 50209660, 100419320, 200838640]

約数ペア:

[(1, 200838640), (2, 100419320), (4, 50209660), (5, 40167728), (8, 25104830), (10, 20083864), (16, 12552415), (20, 10041932), (40, 5020966), (80, 2510483), (491, 409040), (982, 204520), (1964, 102260), (2455, 81808), (3928, 51130), (4910, 40904), (5113, 39280), (7856, 25565), (9820, 20452), (10226, 19640)]