28785492080

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{349}}^1\times {\mathrm{60647}}^1$

素因数の和:61026

約数の個数: 80

約数和(自身を含む): 71067326400

約数和(自身を除く): 42281834320

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 349, 680, 698, 1360, 1396, 1745, 2792, 3490, 5584, 5933, 6980, 11866, 13960, 23732, 27920, 29665, 47464, 59330, 60647, 94928, 118660, 121294, 237320, 242588, 303235, 474640, 485176, 606470, 970352, 1030999, 1212940, 2061998, 2425880, 4123996, 4851760, 5154995, 8247992, 10309990, 16495984, 20619980, 21165803, 41239960, 42331606, 82479920, 84663212, 105829015, 169326424, 211658030, 338652848, 359818651, 423316060, 719637302, 846632120, 1439274604, 1693264240, 1799093255, 2878549208, 3598186510, 5757098416, 7196373020, 14392746040, 28785492080]

約数ペア:

[(1, 28785492080), (2, 14392746040), (4, 7196373020), (5, 5757098416), (8, 3598186510), (10, 2878549208), (16, 1799093255), (17, 1693264240), (20, 1439274604), (34, 846632120), (40, 719637302), (68, 423316060), (80, 359818651), (85, 338652848), (136, 211658030), (170, 169326424), (272, 105829015), (340, 84663212), (349, 82479920), (680, 42331606), (698, 41239960), (1360, 21165803), (1396, 20619980), (1745, 16495984), (2792, 10309990), (3490, 8247992), (5584, 5154995), (5933, 4851760), (6980, 4123996), (11866, 2425880), (13960, 2061998), (23732, 1212940), (27920, 1030999), (29665, 970352), (47464, 606470), (59330, 485176), (60647, 474640), (94928, 303235), (118660, 242588), (121294, 237320)]