64707500

素因数分解:

$2^2\times 5^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1$

素因数の和:229

約数の個数: 120

約数和(自身を含む): 167158992

約数和(自身を除く): 102451492

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 25, 26, 44, 50, 52, 55, 65, 100, 110, 125, 130, 143, 181, 220, 250, 260, 275, 286, 325, 362, 500, 550, 572, 625, 650, 715, 724, 905, 1100, 1250, 1300, 1375, 1430, 1625, 1810, 1991, 2353, 2500, 2750, 2860, 3250, 3575, 3620, 3982, 4525, 4706, 5500, 6500, 6875, 7150, 7964, 8125, 9050, 9412, 9955, 11765, 13750, 14300, 16250, 17875, 18100, 19910, 22625, 23530, 25883, 27500, 32500, 35750, 39820, 45250, 47060, 49775, 51766, 58825, 71500, 89375, 90500, 99550, 103532, 113125, 117650, 129415, 178750, 199100, 226250, 235300, 248875, 258830, 294125, 357500, 452500, 497750, 517660, 588250, 647075, 995500, 1176500, 1244375, 1294150, 1470625, 2488750, 2588300, 2941250, 3235375, 4977500, 5882500, 6470750, 12941500, 16176875, 32353750, 64707500]

約数ペア:

[(1, 64707500), (2, 32353750), (4, 16176875), (5, 12941500), (10, 6470750), (11, 5882500), (13, 4977500), (20, 3235375), (22, 2941250), (25, 2588300), (26, 2488750), (44, 1470625), (50, 1294150), (52, 1244375), (55, 1176500), (65, 995500), (100, 647075), (110, 588250), (125, 517660), (130, 497750), (143, 452500), (181, 357500), (220, 294125), (250, 258830), (260, 248875), (275, 235300), (286, 226250), (325, 199100), (362, 178750), (500, 129415), (550, 117650), (572, 113125), (625, 103532), (650, 99550), (715, 90500), (724, 89375), (905, 71500), (1100, 58825), (1250, 51766), (1300, 49775), (1375, 47060), (1430, 45250), (1625, 39820), (1810, 35750), (1991, 32500), (2353, 27500), (2500, 25883), (2750, 23530), (2860, 22625), (3250, 19910), (3575, 18100), (3620, 17875), (3982, 16250), (4525, 14300), (4706, 13750), (5500, 11765), (6500, 9955), (6875, 9412), (7150, 9050), (7964, 8125)]