1389842320

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1\times {\mathrm{2011}}^1$

素因数の和:2240

約数の個数: 80

約数和(自身を含む): 3314198592

約数和(自身を除く): 1924356272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 163, 212, 265, 326, 424, 530, 652, 815, 848, 1060, 1304, 1630, 2011, 2120, 2608, 3260, 4022, 4240, 6520, 8044, 8639, 10055, 13040, 16088, 17278, 20110, 32176, 34556, 40220, 43195, 69112, 80440, 86390, 106583, 138224, 160880, 172780, 213166, 327793, 345560, 426332, 532915, 655586, 691120, 852664, 1065830, 1311172, 1638965, 1705328, 2131660, 2622344, 3277930, 4263320, 5244688, 6555860, 8526640, 13111720, 17373029, 26223440, 34746058, 69492116, 86865145, 138984232, 173730290, 277968464, 347460580, 694921160, 1389842320]

約数ペア:

[(1, 1389842320), (2, 694921160), (4, 347460580), (5, 277968464), (8, 173730290), (10, 138984232), (16, 86865145), (20, 69492116), (40, 34746058), (53, 26223440), (80, 17373029), (106, 13111720), (163, 8526640), (212, 6555860), (265, 5244688), (326, 4263320), (424, 3277930), (530, 2622344), (652, 2131660), (815, 1705328), (848, 1638965), (1060, 1311172), (1304, 1065830), (1630, 852664), (2011, 691120), (2120, 655586), (2608, 532915), (3260, 426332), (4022, 345560), (4240, 327793), (6520, 213166), (8044, 172780), (8639, 160880), (10055, 138224), (13040, 106583), (16088, 86390), (17278, 80440), (20110, 69112), (32176, 43195), (34556, 40220)]