16519100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1$

素因数の和:255

約数の個数: 72

約数和(自身を含む): 39299568

約数和(自身を除く): 22780468

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 97, 100, 130, 131, 194, 260, 262, 325, 388, 485, 524, 650, 655, 970, 1261, 1300, 1310, 1703, 1940, 2425, 2522, 2620, 3275, 3406, 4850, 5044, 6305, 6550, 6812, 8515, 9700, 12610, 12707, 13100, 17030, 25220, 25414, 31525, 34060, 42575, 50828, 63050, 63535, 85150, 126100, 127070, 165191, 170300, 254140, 317675, 330382, 635350, 660764, 825955, 1270700, 1651910, 3303820, 4129775, 8259550, 16519100]

約数ペア:

[(1, 16519100), (2, 8259550), (4, 4129775), (5, 3303820), (10, 1651910), (13, 1270700), (20, 825955), (25, 660764), (26, 635350), (50, 330382), (52, 317675), (65, 254140), (97, 170300), (100, 165191), (130, 127070), (131, 126100), (194, 85150), (260, 63535), (262, 63050), (325, 50828), (388, 42575), (485, 34060), (524, 31525), (650, 25414), (655, 25220), (970, 17030), (1261, 13100), (1300, 12707), (1310, 12610), (1703, 9700), (1940, 8515), (2425, 6812), (2522, 6550), (2620, 6305), (3275, 5044), (3406, 4850)]