416302520

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{313}}^1\times {\mathrm{811}}^1$

素因数の和:1176

約数の個数: 64

約数和(自身を含む): 963779040

約数和(自身を除く): 547476520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 313, 328, 410, 626, 811, 820, 1252, 1565, 1622, 1640, 2504, 3130, 3244, 4055, 6260, 6488, 8110, 12520, 12833, 16220, 25666, 32440, 33251, 51332, 64165, 66502, 102664, 128330, 133004, 166255, 253843, 256660, 266008, 332510, 507686, 513320, 665020, 1015372, 1269215, 1330040, 2030744, 2538430, 5076860, 10153720, 10407563, 20815126, 41630252, 52037815, 83260504, 104075630, 208151260, 416302520]

約数ペア:

[(1, 416302520), (2, 208151260), (4, 104075630), (5, 83260504), (8, 52037815), (10, 41630252), (20, 20815126), (40, 10407563), (41, 10153720), (82, 5076860), (164, 2538430), (205, 2030744), (313, 1330040), (328, 1269215), (410, 1015372), (626, 665020), (811, 513320), (820, 507686), (1252, 332510), (1565, 266008), (1622, 256660), (1640, 253843), (2504, 166255), (3130, 133004), (3244, 128330), (4055, 102664), (6260, 66502), (6488, 64165), (8110, 51332), (12520, 33251), (12833, 32440), (16220, 25666)]