85784020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{26641}}^1$

素因数の和:26680

約数の個数: 48

約数和(自身を含む): 214841088

約数和(自身を除く): 129057068

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 26641, 53282, 106564, 133205, 186487, 266410, 372974, 532820, 612743, 745948, 932435, 1225486, 1864870, 2450972, 3063715, 3729740, 4289201, 6127430, 8578402, 12254860, 17156804, 21446005, 42892010, 85784020]

約数ペア:

[(1, 85784020), (2, 42892010), (4, 21446005), (5, 17156804), (7, 12254860), (10, 8578402), (14, 6127430), (20, 4289201), (23, 3729740), (28, 3063715), (35, 2450972), (46, 1864870), (70, 1225486), (92, 932435), (115, 745948), (140, 612743), (161, 532820), (230, 372974), (322, 266410), (460, 186487), (644, 133205), (805, 106564), (1610, 53282), (3220, 26641)]