804646540

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{9907}}^1$

素因数の和:10078

約数の個数: 48

約数和(自身を含む): 1757758464

約数和(自身を除く): 953111924

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 131, 155, 262, 310, 524, 620, 655, 1310, 2620, 4061, 8122, 9907, 16244, 19814, 20305, 39628, 40610, 49535, 81220, 99070, 198140, 307117, 614234, 1228468, 1297817, 1535585, 2595634, 3071170, 5191268, 6142340, 6489085, 12978170, 25956340, 40232327, 80464654, 160929308, 201161635, 402323270, 804646540]

約数ペア:

[(1, 804646540), (2, 402323270), (4, 201161635), (5, 160929308), (10, 80464654), (20, 40232327), (31, 25956340), (62, 12978170), (124, 6489085), (131, 6142340), (155, 5191268), (262, 3071170), (310, 2595634), (524, 1535585), (620, 1297817), (655, 1228468), (1310, 614234), (2620, 307117), (4061, 198140), (8122, 99070), (9907, 81220), (16244, 49535), (19814, 40610), (20305, 39628)]