200454020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{809}}^1\times {\mathrm{953}}^1$

素因数の和:1784

約数の個数: 48

約数和(自身を含む): 454371120

約数和(自身を除く): 253917100

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 809, 953, 1618, 1906, 3236, 3812, 4045, 4765, 8090, 9530, 10517, 12389, 16180, 19060, 21034, 24778, 42068, 49556, 52585, 61945, 105170, 123890, 210340, 247780, 770977, 1541954, 3083908, 3854885, 7709770, 10022701, 15419540, 20045402, 40090804, 50113505, 100227010, 200454020]

約数ペア:

[(1, 200454020), (2, 100227010), (4, 50113505), (5, 40090804), (10, 20045402), (13, 15419540), (20, 10022701), (26, 7709770), (52, 3854885), (65, 3083908), (130, 1541954), (260, 770977), (809, 247780), (953, 210340), (1618, 123890), (1906, 105170), (3236, 61945), (3812, 52585), (4045, 49556), (4765, 42068), (8090, 24778), (9530, 21034), (10517, 19060), (12389, 16180)]