172032020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{293}}^1\times {\mathrm{947}}^1$

素因数の和:1280

約数の個数: 48

約数和(自身を含む): 374588928

約数和(自身を除く): 202556908

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 293, 310, 586, 620, 947, 1172, 1465, 1894, 2930, 3788, 4735, 5860, 9083, 9470, 18166, 18940, 29357, 36332, 45415, 58714, 90830, 117428, 146785, 181660, 277471, 293570, 554942, 587140, 1109884, 1387355, 2774710, 5549420, 8601601, 17203202, 34406404, 43008005, 86016010, 172032020]

約数ペア:

[(1, 172032020), (2, 86016010), (4, 43008005), (5, 34406404), (10, 17203202), (20, 8601601), (31, 5549420), (62, 2774710), (124, 1387355), (155, 1109884), (293, 587140), (310, 554942), (586, 293570), (620, 277471), (947, 181660), (1172, 146785), (1465, 117428), (1894, 90830), (2930, 58714), (3788, 45415), (4735, 36332), (5860, 29357), (9083, 18940), (9470, 18166)]