80942240

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{16319}}^1$

素因数の和:16365

約数の個数: 48

約数和(自身を含む): 197406720

約数和(自身を除く): 116464480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 16319, 32638, 65276, 81595, 130552, 163190, 261104, 326380, 505889, 522208, 652760, 1011778, 1305520, 2023556, 2529445, 2611040, 4047112, 5058890, 8094224, 10117780, 16188448, 20235560, 40471120, 80942240]

約数ペア:

[(1, 80942240), (2, 40471120), (4, 20235560), (5, 16188448), (8, 10117780), (10, 8094224), (16, 5058890), (20, 4047112), (31, 2611040), (32, 2529445), (40, 2023556), (62, 1305520), (80, 1011778), (124, 652760), (155, 522208), (160, 505889), (248, 326380), (310, 261104), (496, 163190), (620, 130552), (992, 81595), (1240, 65276), (2480, 32638), (4960, 16319)]