2028935840

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{309289}}^1$

素因数の和:309345

約数の個数: 48

約数和(自身を含む): 4910288040

約数和(自身を除く): 2881352200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 656, 820, 1312, 1640, 3280, 6560, 309289, 618578, 1237156, 1546445, 2474312, 3092890, 4948624, 6185780, 9897248, 12371560, 12680849, 24743120, 25361698, 49486240, 50723396, 63404245, 101446792, 126808490, 202893584, 253616980, 405787168, 507233960, 1014467920, 2028935840]

約数ペア:

[(1, 2028935840), (2, 1014467920), (4, 507233960), (5, 405787168), (8, 253616980), (10, 202893584), (16, 126808490), (20, 101446792), (32, 63404245), (40, 50723396), (41, 49486240), (80, 25361698), (82, 24743120), (160, 12680849), (164, 12371560), (205, 9897248), (328, 6185780), (410, 4948624), (656, 3092890), (820, 2474312), (1312, 1546445), (1640, 1237156), (3280, 618578), (6560, 309289)]