39661960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{857}}^1$

素因数の和:970

約数の個数: 64

約数和(自身を含む): 97297200

約数和(自身を除く): 57635240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 89, 104, 130, 178, 260, 356, 445, 520, 712, 857, 890, 1157, 1714, 1780, 2314, 3428, 3560, 4285, 4628, 5785, 6856, 8570, 9256, 11141, 11570, 17140, 22282, 23140, 34280, 44564, 46280, 55705, 76273, 89128, 111410, 152546, 222820, 305092, 381365, 445640, 610184, 762730, 991549, 1525460, 1983098, 3050920, 3966196, 4957745, 7932392, 9915490, 19830980, 39661960]

約数ペア:

[(1, 39661960), (2, 19830980), (4, 9915490), (5, 7932392), (8, 4957745), (10, 3966196), (13, 3050920), (20, 1983098), (26, 1525460), (40, 991549), (52, 762730), (65, 610184), (89, 445640), (104, 381365), (130, 305092), (178, 222820), (260, 152546), (356, 111410), (445, 89128), (520, 76273), (712, 55705), (857, 46280), (890, 44564), (1157, 34280), (1714, 23140), (1780, 22282), (2314, 17140), (3428, 11570), (3560, 11141), (4285, 9256), (4628, 8570), (5785, 6856)]