40072656

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{431}}^1$

素因数の和:604

約数の個数: 80

約数和(自身を含む): 112492800

約数和(自身を除く): 72420144

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 149, 156, 208, 298, 312, 431, 447, 596, 624, 862, 894, 1192, 1293, 1724, 1788, 1937, 2384, 2586, 3448, 3576, 3874, 5172, 5603, 5811, 6896, 7152, 7748, 10344, 11206, 11622, 15496, 16809, 20688, 22412, 23244, 30992, 33618, 44824, 46488, 64219, 67236, 89648, 92976, 128438, 134472, 192657, 256876, 268944, 385314, 513752, 770628, 834847, 1027504, 1541256, 1669694, 2504541, 3082512, 3339388, 5009082, 6678776, 10018164, 13357552, 20036328, 40072656]

約数ペア:

[(1, 40072656), (2, 20036328), (3, 13357552), (4, 10018164), (6, 6678776), (8, 5009082), (12, 3339388), (13, 3082512), (16, 2504541), (24, 1669694), (26, 1541256), (39, 1027504), (48, 834847), (52, 770628), (78, 513752), (104, 385314), (149, 268944), (156, 256876), (208, 192657), (298, 134472), (312, 128438), (431, 92976), (447, 89648), (596, 67236), (624, 64219), (862, 46488), (894, 44824), (1192, 33618), (1293, 30992), (1724, 23244), (1788, 22412), (1937, 20688), (2384, 16809), (2586, 15496), (3448, 11622), (3576, 11206), (3874, 10344), (5172, 7748), (5603, 7152), (5811, 6896)]