82662500

素因数分解:

$2^2\times 5^5\times {\mathrm{17}}^1\times {\mathrm{389}}^1$

素因数の和:435

約数の個数: 72

約数和(自身を含む): 191940840

約数和(自身を除く): 109278340

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 125, 170, 250, 340, 389, 425, 500, 625, 778, 850, 1250, 1556, 1700, 1945, 2125, 2500, 3125, 3890, 4250, 6250, 6613, 7780, 8500, 9725, 10625, 12500, 13226, 19450, 21250, 26452, 33065, 38900, 42500, 48625, 53125, 66130, 97250, 106250, 132260, 165325, 194500, 212500, 243125, 330650, 486250, 661300, 826625, 972500, 1215625, 1653250, 2431250, 3306500, 4133125, 4862500, 8266250, 16532500, 20665625, 41331250, 82662500]

約数ペア:

[(1, 82662500), (2, 41331250), (4, 20665625), (5, 16532500), (10, 8266250), (17, 4862500), (20, 4133125), (25, 3306500), (34, 2431250), (50, 1653250), (68, 1215625), (85, 972500), (100, 826625), (125, 661300), (170, 486250), (250, 330650), (340, 243125), (389, 212500), (425, 194500), (500, 165325), (625, 132260), (778, 106250), (850, 97250), (1250, 66130), (1556, 53125), (1700, 48625), (1945, 42500), (2125, 38900), (2500, 33065), (3125, 26452), (3890, 21250), (4250, 19450), (6250, 13226), (6613, 12500), (7780, 10625), (8500, 9725)]