8321934640

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{269}}^1\times {\mathrm{20353}}^1$

素因数の和:20654

約数の個数: 80

約数和(自身を含む): 20443557600

約数和(自身を除く): 12121622960

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 269, 304, 380, 538, 760, 1076, 1345, 1520, 2152, 2690, 4304, 5111, 5380, 10222, 10760, 20353, 20444, 21520, 25555, 40706, 40888, 51110, 81412, 81776, 101765, 102220, 162824, 203530, 204440, 325648, 386707, 407060, 408880, 773414, 814120, 1546828, 1628240, 1933535, 3093656, 3867070, 5474957, 6187312, 7734140, 10949914, 15468280, 21899828, 27374785, 30936560, 43799656, 54749570, 87599312, 104024183, 109499140, 208048366, 218998280, 416096732, 437996560, 520120915, 832193464, 1040241830, 1664386928, 2080483660, 4160967320, 8321934640]

約数ペア:

[(1, 8321934640), (2, 4160967320), (4, 2080483660), (5, 1664386928), (8, 1040241830), (10, 832193464), (16, 520120915), (19, 437996560), (20, 416096732), (38, 218998280), (40, 208048366), (76, 109499140), (80, 104024183), (95, 87599312), (152, 54749570), (190, 43799656), (269, 30936560), (304, 27374785), (380, 21899828), (538, 15468280), (760, 10949914), (1076, 7734140), (1345, 6187312), (1520, 5474957), (2152, 3867070), (2690, 3093656), (4304, 1933535), (5111, 1628240), (5380, 1546828), (10222, 814120), (10760, 773414), (20353, 408880), (20444, 407060), (21520, 386707), (25555, 325648), (40706, 204440), (40888, 203530), (51110, 162824), (81412, 102220), (81776, 101765)]