866215880

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{25447}}^1$

素因数の和:25518

約数の個数: 64

約数和(自身を含む): 2088771840

約数和(自身を除く): 1222555960

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 37, 40, 46, 74, 92, 115, 148, 184, 185, 230, 296, 370, 460, 740, 851, 920, 1480, 1702, 3404, 4255, 6808, 8510, 17020, 25447, 34040, 50894, 101788, 127235, 203576, 254470, 508940, 585281, 941539, 1017880, 1170562, 1883078, 2341124, 2926405, 3766156, 4682248, 4707695, 5852810, 7532312, 9415390, 11705620, 18830780, 21655397, 23411240, 37661560, 43310794, 86621588, 108276985, 173243176, 216553970, 433107940, 866215880]

約数ペア:

[(1, 866215880), (2, 433107940), (4, 216553970), (5, 173243176), (8, 108276985), (10, 86621588), (20, 43310794), (23, 37661560), (37, 23411240), (40, 21655397), (46, 18830780), (74, 11705620), (92, 9415390), (115, 7532312), (148, 5852810), (184, 4707695), (185, 4682248), (230, 3766156), (296, 2926405), (370, 2341124), (460, 1883078), (740, 1170562), (851, 1017880), (920, 941539), (1480, 585281), (1702, 508940), (3404, 254470), (4255, 203576), (6808, 127235), (8510, 101788), (17020, 50894), (25447, 34040)]