78734500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{12113}}^1$

素因数の和:12145

約数の個数: 48

約数和(自身を含む): 185198832

約数和(自身を除く): 106464332

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 500, 650, 1300, 1625, 3250, 6500, 12113, 24226, 48452, 60565, 121130, 157469, 242260, 302825, 314938, 605650, 629876, 787345, 1211300, 1514125, 1574690, 3028250, 3149380, 3936725, 6056500, 7873450, 15746900, 19683625, 39367250, 78734500]

約数ペア:

[(1, 78734500), (2, 39367250), (4, 19683625), (5, 15746900), (10, 7873450), (13, 6056500), (20, 3936725), (25, 3149380), (26, 3028250), (50, 1574690), (52, 1514125), (65, 1211300), (100, 787345), (125, 629876), (130, 605650), (250, 314938), (260, 302825), (325, 242260), (500, 157469), (650, 121130), (1300, 60565), (1625, 48452), (3250, 24226), (6500, 12113)]