80465710

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:293

約数の個数: 64

約数和(自身を含む): 161864640

約数和(自身を除く): 81398930

約数列:

[1, 2, 5, 10, 13, 26, 61, 65, 73, 122, 130, 139, 146, 278, 305, 365, 610, 695, 730, 793, 949, 1390, 1586, 1807, 1898, 3614, 3965, 4453, 4745, 7930, 8479, 8906, 9035, 9490, 10147, 16958, 18070, 20294, 22265, 42395, 44530, 50735, 57889, 84790, 101470, 110227, 115778, 131911, 220454, 263822, 289445, 551135, 578890, 618967, 659555, 1102270, 1237934, 1319110, 3094835, 6189670, 8046571, 16093142, 40232855, 80465710]

約数ペア:

[(1, 80465710), (2, 40232855), (5, 16093142), (10, 8046571), (13, 6189670), (26, 3094835), (61, 1319110), (65, 1237934), (73, 1102270), (122, 659555), (130, 618967), (139, 578890), (146, 551135), (278, 289445), (305, 263822), (365, 220454), (610, 131911), (695, 115778), (730, 110227), (793, 101470), (949, 84790), (1390, 57889), (1586, 50735), (1807, 44530), (1898, 42395), (3614, 22265), (3965, 20294), (4453, 18070), (4745, 16958), (7930, 10147), (8479, 9490), (8906, 9035)]