8320260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{10667}}^1$

素因数の和:10692

約数の個数: 48

約数和(自身を含む): 25091136

約数和(自身を除く): 16770876

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 10667, 21334, 32001, 42668, 53335, 64002, 106670, 128004, 138671, 160005, 213340, 277342, 320010, 416013, 554684, 640020, 693355, 832026, 1386710, 1664052, 2080065, 2773420, 4160130, 8320260]

約数ペア:

[(1, 8320260), (2, 4160130), (3, 2773420), (4, 2080065), (5, 1664052), (6, 1386710), (10, 832026), (12, 693355), (13, 640020), (15, 554684), (20, 416013), (26, 320010), (30, 277342), (39, 213340), (52, 160005), (60, 138671), (65, 128004), (78, 106670), (130, 64002), (156, 53335), (195, 42668), (260, 32001), (390, 21334), (780, 10667)]