39642980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{8969}}^1$

素因数の和:9008

約数の個数: 48

約数和(自身を含む): 94938480

約数和(自身を除く): 55295500

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 8969, 17938, 35876, 44845, 89690, 116597, 152473, 179380, 233194, 304946, 466388, 582985, 609892, 762365, 1165970, 1524730, 1982149, 2331940, 3049460, 3964298, 7928596, 9910745, 19821490, 39642980]

約数ペア:

[(1, 39642980), (2, 19821490), (4, 9910745), (5, 7928596), (10, 3964298), (13, 3049460), (17, 2331940), (20, 1982149), (26, 1524730), (34, 1165970), (52, 762365), (65, 609892), (68, 582985), (85, 466388), (130, 304946), (170, 233194), (221, 179380), (260, 152473), (340, 116597), (442, 89690), (884, 44845), (1105, 35876), (2210, 17938), (4420, 8969)]