16228280

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{163}}^1$

素因数の和:324

約数の個数: 64

約数和(自身を含む): 38966400

約数和(自身を除く): 22738120

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 131, 152, 163, 190, 262, 326, 380, 524, 652, 655, 760, 815, 1048, 1304, 1310, 1630, 2489, 2620, 3097, 3260, 4978, 5240, 6194, 6520, 9956, 12388, 12445, 15485, 19912, 21353, 24776, 24890, 30970, 42706, 49780, 61940, 85412, 99560, 106765, 123880, 170824, 213530, 405707, 427060, 811414, 854120, 1622828, 2028535, 3245656, 4057070, 8114140, 16228280]

約数ペア:

[(1, 16228280), (2, 8114140), (4, 4057070), (5, 3245656), (8, 2028535), (10, 1622828), (19, 854120), (20, 811414), (38, 427060), (40, 405707), (76, 213530), (95, 170824), (131, 123880), (152, 106765), (163, 99560), (190, 85412), (262, 61940), (326, 49780), (380, 42706), (524, 30970), (652, 24890), (655, 24776), (760, 21353), (815, 19912), (1048, 15485), (1304, 12445), (1310, 12388), (1630, 9956), (2489, 6520), (2620, 6194), (3097, 5240), (3260, 4978)]