4245804520

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{641}}^1\times {\mathrm{3851}}^1$

素因数の和:4546

約数の個数: 64

約数和(自身を含む): 9793016640

約数和(自身を除く): 5547212120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 641, 860, 1282, 1720, 2564, 3205, 3851, 5128, 6410, 7702, 12820, 15404, 19255, 25640, 27563, 30808, 38510, 55126, 77020, 110252, 137815, 154040, 165593, 220504, 275630, 331186, 551260, 662372, 827965, 1102520, 1324744, 1655930, 2468491, 3311860, 4936982, 6623720, 9873964, 12342455, 19747928, 24684910, 49369820, 98739640, 106145113, 212290226, 424580452, 530725565, 849160904, 1061451130, 2122902260, 4245804520]

約数ペア:

[(1, 4245804520), (2, 2122902260), (4, 1061451130), (5, 849160904), (8, 530725565), (10, 424580452), (20, 212290226), (40, 106145113), (43, 98739640), (86, 49369820), (172, 24684910), (215, 19747928), (344, 12342455), (430, 9873964), (641, 6623720), (860, 4936982), (1282, 3311860), (1720, 2468491), (2564, 1655930), (3205, 1324744), (3851, 1102520), (5128, 827965), (6410, 662372), (7702, 551260), (12820, 331186), (15404, 275630), (19255, 220504), (25640, 165593), (27563, 154040), (30808, 137815), (38510, 110252), (55126, 77020)]