81300544

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1$

素因数の和:220

約数の個数: 112

約数和(自身を含む): 189179200

約数和(自身を除く): 107878656

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 37, 38, 52, 64, 74, 76, 104, 139, 148, 152, 208, 247, 278, 296, 304, 416, 481, 494, 556, 592, 608, 703, 832, 962, 988, 1112, 1184, 1216, 1406, 1807, 1924, 1976, 2224, 2368, 2641, 2812, 3614, 3848, 3952, 4448, 5143, 5282, 5624, 7228, 7696, 7904, 8896, 9139, 10286, 10564, 11248, 14456, 15392, 15808, 18278, 20572, 21128, 22496, 28912, 30784, 34333, 36556, 41144, 42256, 44992, 57824, 66859, 68666, 73112, 82288, 84512, 97717, 115648, 133718, 137332, 146224, 164576, 169024, 195434, 267436, 274664, 292448, 329152, 390868, 534872, 549328, 584896, 781736, 1069744, 1098656, 1270321, 1563472, 2139488, 2197312, 2540642, 3126944, 4278976, 5081284, 6253888, 10162568, 20325136, 40650272, 81300544]

約数ペア:

[(1, 81300544), (2, 40650272), (4, 20325136), (8, 10162568), (13, 6253888), (16, 5081284), (19, 4278976), (26, 3126944), (32, 2540642), (37, 2197312), (38, 2139488), (52, 1563472), (64, 1270321), (74, 1098656), (76, 1069744), (104, 781736), (139, 584896), (148, 549328), (152, 534872), (208, 390868), (247, 329152), (278, 292448), (296, 274664), (304, 267436), (416, 195434), (481, 169024), (494, 164576), (556, 146224), (592, 137332), (608, 133718), (703, 115648), (832, 97717), (962, 84512), (988, 82288), (1112, 73112), (1184, 68666), (1216, 66859), (1406, 57824), (1807, 44992), (1924, 42256), (1976, 41144), (2224, 36556), (2368, 34333), (2641, 30784), (2812, 28912), (3614, 22496), (3848, 21128), (3952, 20572), (4448, 18278), (5143, 15808), (5282, 15392), (5624, 14456), (7228, 11248), (7696, 10564), (7904, 10286), (8896, 9139)]