25382360

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{229}}^1$

素因数の和:420

約数の個数: 64

約数和(自身を含む): 61106400

約数和(自身を除く): 35724040

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 163, 170, 229, 326, 340, 458, 652, 680, 815, 916, 1145, 1304, 1630, 1832, 2290, 2771, 3260, 3893, 4580, 5542, 6520, 7786, 9160, 11084, 13855, 15572, 19465, 22168, 27710, 31144, 37327, 38930, 55420, 74654, 77860, 110840, 149308, 155720, 186635, 298616, 373270, 634559, 746540, 1269118, 1493080, 2538236, 3172795, 5076472, 6345590, 12691180, 25382360]

約数ペア:

[(1, 25382360), (2, 12691180), (4, 6345590), (5, 5076472), (8, 3172795), (10, 2538236), (17, 1493080), (20, 1269118), (34, 746540), (40, 634559), (68, 373270), (85, 298616), (136, 186635), (163, 155720), (170, 149308), (229, 110840), (326, 77860), (340, 74654), (458, 55420), (652, 38930), (680, 37327), (815, 31144), (916, 27710), (1145, 22168), (1304, 19465), (1630, 15572), (1832, 13855), (2290, 11084), (2771, 9160), (3260, 7786), (3893, 6520), (4580, 5542)]