200909840

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61253}}^1$

素因数の和:61307

約数の個数: 40

約数和(自身を含む): 478516248

約数和(自身を除く): 277606408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 61253, 122506, 245012, 306265, 490024, 612530, 980048, 1225060, 2450120, 2511373, 4900240, 5022746, 10045492, 12556865, 20090984, 25113730, 40181968, 50227460, 100454920, 200909840]

約数ペア:

[(1, 200909840), (2, 100454920), (4, 50227460), (5, 40181968), (8, 25113730), (10, 20090984), (16, 12556865), (20, 10045492), (40, 5022746), (41, 4900240), (80, 2511373), (82, 2450120), (164, 1225060), (205, 980048), (328, 612530), (410, 490024), (656, 306265), (820, 245012), (1640, 122506), (3280, 61253)]