8649940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1$

素因数の和:161

約数の個数: 96

約数和(自身を含む): 22014720

約数和(自身を除く): 13364780

約数列:

[1, 2, 4, 5, 10, 13, 17, 19, 20, 26, 34, 38, 52, 65, 68, 76, 85, 95, 103, 130, 170, 190, 206, 221, 247, 260, 323, 340, 380, 412, 442, 494, 515, 646, 884, 988, 1030, 1105, 1235, 1292, 1339, 1615, 1751, 1957, 2060, 2210, 2470, 2678, 3230, 3502, 3914, 4199, 4420, 4940, 5356, 6460, 6695, 7004, 7828, 8398, 8755, 9785, 13390, 16796, 17510, 19570, 20995, 22763, 25441, 26780, 33269, 35020, 39140, 41990, 45526, 50882, 66538, 83980, 91052, 101764, 113815, 127205, 133076, 166345, 227630, 254410, 332690, 432497, 455260, 508820, 665380, 864994, 1729988, 2162485, 4324970, 8649940]

約数ペア:

[(1, 8649940), (2, 4324970), (4, 2162485), (5, 1729988), (10, 864994), (13, 665380), (17, 508820), (19, 455260), (20, 432497), (26, 332690), (34, 254410), (38, 227630), (52, 166345), (65, 133076), (68, 127205), (76, 113815), (85, 101764), (95, 91052), (103, 83980), (130, 66538), (170, 50882), (190, 45526), (206, 41990), (221, 39140), (247, 35020), (260, 33269), (323, 26780), (340, 25441), (380, 22763), (412, 20995), (442, 19570), (494, 17510), (515, 16796), (646, 13390), (884, 9785), (988, 8755), (1030, 8398), (1105, 7828), (1235, 7004), (1292, 6695), (1339, 6460), (1615, 5356), (1751, 4940), (1957, 4420), (2060, 4199), (2210, 3914), (2470, 3502), (2678, 3230)]