88894067180

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{491}}^1\times {\mathrm{220789}}^1$

素因数の和:221330

約数の個数: 48

約数和(自身を含む): 191620991520

約数和(自身を除く): 102726924340

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 491, 820, 982, 1964, 2455, 4910, 9820, 20131, 40262, 80524, 100655, 201310, 220789, 402620, 441578, 883156, 1103945, 2207890, 4415780, 9052349, 18104698, 36209396, 45261745, 90523490, 108407399, 181046980, 216814798, 433629596, 542036995, 1084073990, 2168147980, 4444703359, 8889406718, 17778813436, 22223516795, 44447033590, 88894067180]

約数ペア:

[(1, 88894067180), (2, 44447033590), (4, 22223516795), (5, 17778813436), (10, 8889406718), (20, 4444703359), (41, 2168147980), (82, 1084073990), (164, 542036995), (205, 433629596), (410, 216814798), (491, 181046980), (820, 108407399), (982, 90523490), (1964, 45261745), (2455, 36209396), (4910, 18104698), (9820, 9052349), (20131, 4415780), (40262, 2207890), (80524, 1103945), (100655, 883156), (201310, 441578), (220789, 402620)]