28103650940

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1\times {\mathrm{2663}}^1$

素因数の和:2931

約数の個数: 96

約数和(自身を含む): 61439938560

約数和(自身を除く): 33336287620

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 103, 109, 188, 206, 218, 235, 412, 436, 470, 515, 545, 940, 1030, 1090, 2060, 2180, 2663, 4841, 5123, 5326, 9682, 10246, 10652, 11227, 13315, 19364, 20492, 22454, 24205, 25615, 26630, 44908, 48410, 51230, 53260, 56135, 96820, 102460, 112270, 125161, 224540, 250322, 274289, 290267, 500644, 527669, 548578, 580534, 625805, 1055338, 1097156, 1161068, 1251610, 1371445, 1451335, 2110676, 2503220, 2638345, 2742890, 2902670, 5276690, 5485780, 5805340, 10553380, 12891583, 13642549, 25783166, 27285098, 29897501, 51566332, 54570196, 59795002, 64457915, 68212745, 119590004, 128915830, 136425490, 149487505, 257831660, 272850980, 298975010, 597950020, 1405182547, 2810365094, 5620730188, 7025912735, 14051825470, 28103650940]

約数ペア:

[(1, 28103650940), (2, 14051825470), (4, 7025912735), (5, 5620730188), (10, 2810365094), (20, 1405182547), (47, 597950020), (94, 298975010), (103, 272850980), (109, 257831660), (188, 149487505), (206, 136425490), (218, 128915830), (235, 119590004), (412, 68212745), (436, 64457915), (470, 59795002), (515, 54570196), (545, 51566332), (940, 29897501), (1030, 27285098), (1090, 25783166), (2060, 13642549), (2180, 12891583), (2663, 10553380), (4841, 5805340), (5123, 5485780), (5326, 5276690), (9682, 2902670), (10246, 2742890), (10652, 2638345), (11227, 2503220), (13315, 2110676), (19364, 1451335), (20492, 1371445), (22454, 1251610), (24205, 1161068), (25615, 1097156), (26630, 1055338), (44908, 625805), (48410, 580534), (51230, 548578), (53260, 527669), (56135, 500644), (96820, 290267), (102460, 274289), (112270, 250322), (125161, 224540)]