7779427160

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1409}}^1\times {\mathrm{1423}}^1$

素因数の和:2940

約数の個数: 64

約数和(自身を含む): 17709148800

約数和(自身を除く): 9929721640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1409, 1423, 1940, 2818, 2846, 3880, 5636, 5692, 7045, 7115, 11272, 11384, 14090, 14230, 28180, 28460, 56360, 56920, 136673, 138031, 273346, 276062, 546692, 552124, 683365, 690155, 1093384, 1104248, 1366730, 1380310, 2005007, 2733460, 2760620, 4010014, 5466920, 5521240, 8020028, 10025035, 16040056, 20050070, 40100140, 80200280, 194485679, 388971358, 777942716, 972428395, 1555885432, 1944856790, 3889713580, 7779427160]

約数ペア:

[(1, 7779427160), (2, 3889713580), (4, 1944856790), (5, 1555885432), (8, 972428395), (10, 777942716), (20, 388971358), (40, 194485679), (97, 80200280), (194, 40100140), (388, 20050070), (485, 16040056), (776, 10025035), (970, 8020028), (1409, 5521240), (1423, 5466920), (1940, 4010014), (2818, 2760620), (2846, 2733460), (3880, 2005007), (5636, 1380310), (5692, 1366730), (7045, 1104248), (7115, 1093384), (11272, 690155), (11384, 683365), (14090, 552124), (14230, 546692), (28180, 276062), (28460, 273346), (56360, 138031), (56920, 136673)]