1025640010

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1\times {\mathrm{163}}^1$

素因数の和:463

約数の個数: 64

約数和(自身を含む): 1934150400

約数和(自身を除く): 908510390

約数列:

[1, 2, 5, 10, 41, 82, 103, 149, 163, 205, 206, 298, 326, 410, 515, 745, 815, 1030, 1490, 1630, 4223, 6109, 6683, 8446, 12218, 13366, 15347, 16789, 21115, 24287, 30545, 30694, 33415, 33578, 42230, 48574, 61090, 66830, 76735, 83945, 121435, 153470, 167890, 242870, 629227, 688349, 995767, 1258454, 1376698, 1991534, 2501561, 3146135, 3441745, 4978835, 5003122, 6292270, 6883490, 9957670, 12507805, 25015610, 102564001, 205128002, 512820005, 1025640010]

約数ペア:

[(1, 1025640010), (2, 512820005), (5, 205128002), (10, 102564001), (41, 25015610), (82, 12507805), (103, 9957670), (149, 6883490), (163, 6292270), (205, 5003122), (206, 4978835), (298, 3441745), (326, 3146135), (410, 2501561), (515, 1991534), (745, 1376698), (815, 1258454), (1030, 995767), (1490, 688349), (1630, 629227), (4223, 242870), (6109, 167890), (6683, 153470), (8446, 121435), (12218, 83945), (13366, 76735), (15347, 66830), (16789, 61090), (21115, 48574), (24287, 42230), (30545, 33578), (30694, 33415)]