54758780

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{1553}}^1$

素因数の和:1646

約数の個数: 48

約数和(自身を含む): 120615264

約数和(自身を除く): 65856484

約数列:

[1, 2, 4, 5, 10, 20, 41, 43, 82, 86, 164, 172, 205, 215, 410, 430, 820, 860, 1553, 1763, 3106, 3526, 6212, 7052, 7765, 8815, 15530, 17630, 31060, 35260, 63673, 66779, 127346, 133558, 254692, 267116, 318365, 333895, 636730, 667790, 1273460, 1335580, 2737939, 5475878, 10951756, 13689695, 27379390, 54758780]

約数ペア:

[(1, 54758780), (2, 27379390), (4, 13689695), (5, 10951756), (10, 5475878), (20, 2737939), (41, 1335580), (43, 1273460), (82, 667790), (86, 636730), (164, 333895), (172, 318365), (205, 267116), (215, 254692), (410, 133558), (430, 127346), (820, 66779), (860, 63673), (1553, 35260), (1763, 31060), (3106, 17630), (3526, 15530), (6212, 8815), (7052, 7765)]