25980388

素因数分解:

$2^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:173

約数の個数: 72

約数和(自身を含む): 56105784

約数和(自身を除く): 30125396

約数列:

[1, 2, 4, 7, 14, 28, 41, 49, 53, 61, 82, 98, 106, 122, 164, 196, 212, 244, 287, 371, 427, 574, 742, 854, 1148, 1484, 1708, 2009, 2173, 2501, 2597, 2989, 3233, 4018, 4346, 5002, 5194, 5978, 6466, 8036, 8692, 10004, 10388, 11956, 12932, 15211, 17507, 22631, 30422, 35014, 45262, 60844, 70028, 90524, 106477, 122549, 132553, 158417, 212954, 245098, 265106, 316834, 425908, 490196, 530212, 633668, 927871, 1855742, 3711484, 6495097, 12990194, 25980388]

約数ペア:

[(1, 25980388), (2, 12990194), (4, 6495097), (7, 3711484), (14, 1855742), (28, 927871), (41, 633668), (49, 530212), (53, 490196), (61, 425908), (82, 316834), (98, 265106), (106, 245098), (122, 212954), (164, 158417), (196, 132553), (212, 122549), (244, 106477), (287, 90524), (371, 70028), (427, 60844), (574, 45262), (742, 35014), (854, 30422), (1148, 22631), (1484, 17507), (1708, 15211), (2009, 12932), (2173, 11956), (2501, 10388), (2597, 10004), (2989, 8692), (3233, 8036), (4018, 6466), (4346, 5978), (5002, 5194)]