65021876900

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{105401}}^1$

素因数の和:105645

約数の個数: 72

約数和(自身を含む): 146382297600

約数和(自身を除く): 81360420700

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 155, 199, 310, 398, 620, 775, 796, 995, 1550, 1990, 3100, 3980, 4975, 6169, 9950, 12338, 19900, 24676, 30845, 61690, 105401, 123380, 154225, 210802, 308450, 421604, 527005, 616900, 1054010, 2108020, 2635025, 3267431, 5270050, 6534862, 10540100, 13069724, 16337155, 20974799, 32674310, 41949598, 65348620, 81685775, 83899196, 104873995, 163371550, 209747990, 326743100, 419495980, 524369975, 650218769, 1048739950, 1300437538, 2097479900, 2600875076, 3251093845, 6502187690, 13004375380, 16255469225, 32510938450, 65021876900]

約数ペア:

[(1, 65021876900), (2, 32510938450), (4, 16255469225), (5, 13004375380), (10, 6502187690), (20, 3251093845), (25, 2600875076), (31, 2097479900), (50, 1300437538), (62, 1048739950), (100, 650218769), (124, 524369975), (155, 419495980), (199, 326743100), (310, 209747990), (398, 163371550), (620, 104873995), (775, 83899196), (796, 81685775), (995, 65348620), (1550, 41949598), (1990, 32674310), (3100, 20974799), (3980, 16337155), (4975, 13069724), (6169, 10540100), (9950, 6534862), (12338, 5270050), (19900, 3267431), (24676, 2635025), (30845, 2108020), (61690, 1054010), (105401, 616900), (123380, 527005), (154225, 421604), (210802, 308450)]