28540501960

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1171}}^1\times {\mathrm{21011}}^1$

素因数の和:22222

約数の個数: 64

約数和(自身を含む): 66490372800

約数和(自身を除く): 37949870840

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 1171, 2342, 4684, 5855, 9368, 11710, 21011, 23420, 33959, 42022, 46840, 67918, 84044, 105055, 135836, 168088, 169795, 210110, 271672, 339590, 420220, 609319, 679180, 840440, 1218638, 1358360, 2437276, 3046595, 4874552, 6093190, 12186380, 24372760, 24603881, 49207762, 98415524, 123019405, 196831048, 246038810, 492077620, 713512549, 984155240, 1427025098, 2854050196, 3567562745, 5708100392, 7135125490, 14270250980, 28540501960]

約数ペア:

[(1, 28540501960), (2, 14270250980), (4, 7135125490), (5, 5708100392), (8, 3567562745), (10, 2854050196), (20, 1427025098), (29, 984155240), (40, 713512549), (58, 492077620), (116, 246038810), (145, 196831048), (232, 123019405), (290, 98415524), (580, 49207762), (1160, 24603881), (1171, 24372760), (2342, 12186380), (4684, 6093190), (5855, 4874552), (9368, 3046595), (11710, 2437276), (21011, 1358360), (23420, 1218638), (33959, 840440), (42022, 679180), (46840, 609319), (67918, 420220), (84044, 339590), (105055, 271672), (135836, 210110), (168088, 169795)]