20163440180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1\times {\mathrm{4933}}^1$

素因数の和:5233

約数の個数: 96

約数和(自身を含む): 46419072000

約数和(自身を除く): 26255631820

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 79, 130, 158, 199, 260, 316, 395, 398, 790, 796, 995, 1027, 1580, 1990, 2054, 2587, 3980, 4108, 4933, 5135, 5174, 9866, 10270, 10348, 12935, 15721, 19732, 20540, 24665, 25870, 31442, 49330, 51740, 62884, 64129, 78605, 98660, 128258, 157210, 204373, 256516, 314420, 320645, 389707, 408746, 641290, 779414, 817492, 981667, 1021865, 1282580, 1558828, 1948535, 1963334, 2043730, 3897070, 3926668, 4087460, 4908335, 5066191, 7794140, 9816670, 10132382, 12761671, 19633340, 20264764, 25330955, 25523342, 50661910, 51046684, 63808355, 77551693, 101323820, 127616710, 155103386, 255233420, 310206772, 387758465, 775516930, 1008172009, 1551033860, 2016344018, 4032688036, 5040860045, 10081720090, 20163440180]

約数ペア:

[(1, 20163440180), (2, 10081720090), (4, 5040860045), (5, 4032688036), (10, 2016344018), (13, 1551033860), (20, 1008172009), (26, 775516930), (52, 387758465), (65, 310206772), (79, 255233420), (130, 155103386), (158, 127616710), (199, 101323820), (260, 77551693), (316, 63808355), (395, 51046684), (398, 50661910), (790, 25523342), (796, 25330955), (995, 20264764), (1027, 19633340), (1580, 12761671), (1990, 10132382), (2054, 9816670), (2587, 7794140), (3980, 5066191), (4108, 4908335), (4933, 4087460), (5135, 3926668), (5174, 3897070), (9866, 2043730), (10270, 1963334), (10348, 1948535), (12935, 1558828), (15721, 1282580), (19732, 1021865), (20540, 981667), (24665, 817492), (25870, 779414), (31442, 641290), (49330, 408746), (51740, 389707), (62884, 320645), (64129, 314420), (78605, 256516), (98660, 204373), (128258, 157210)]