25220980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2141}}^1$

素因数の和:2200

約数の個数: 48

約数和(自身を含む): 57576960

約数和(自身を除く): 32355980

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 190, 310, 380, 589, 620, 1178, 2141, 2356, 2945, 4282, 5890, 8564, 10705, 11780, 21410, 40679, 42820, 66371, 81358, 132742, 162716, 203395, 265484, 331855, 406790, 663710, 813580, 1261049, 1327420, 2522098, 5044196, 6305245, 12610490, 25220980]

約数ペア:

[(1, 25220980), (2, 12610490), (4, 6305245), (5, 5044196), (10, 2522098), (19, 1327420), (20, 1261049), (31, 813580), (38, 663710), (62, 406790), (76, 331855), (95, 265484), (124, 203395), (155, 162716), (190, 132742), (310, 81358), (380, 66371), (589, 42820), (620, 40679), (1178, 21410), (2141, 11780), (2356, 10705), (2945, 8564), (4282, 5890)]