2051247980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2069}}^1\times {\mathrm{2609}}^1$

素因数の和:4706

約数の個数: 48

約数和(自身を含む): 4538268000

約数和(自身を除く): 2487020020

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 2069, 2609, 4138, 5218, 8276, 10345, 10436, 13045, 20690, 26090, 39311, 41380, 49571, 52180, 78622, 99142, 157244, 196555, 198284, 247855, 393110, 495710, 786220, 991420, 5398021, 10796042, 21592084, 26990105, 53980210, 102562399, 107960420, 205124798, 410249596, 512811995, 1025623990, 2051247980]

約数ペア:

[(1, 2051247980), (2, 1025623990), (4, 512811995), (5, 410249596), (10, 205124798), (19, 107960420), (20, 102562399), (38, 53980210), (76, 26990105), (95, 21592084), (190, 10796042), (380, 5398021), (2069, 991420), (2609, 786220), (4138, 495710), (5218, 393110), (8276, 247855), (10345, 198284), (10436, 196555), (13045, 157244), (20690, 99142), (26090, 78622), (39311, 52180), (41380, 49571)]