6417218240

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{646897}}^1$

素因数の和:646945

約数の個数: 56

約数和(自身を含む): 15773960832

約数和(自身を除く): 9356742592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4960, 9920, 646897, 1293794, 2587588, 3234485, 5175176, 6468970, 10350352, 12937940, 20053807, 20700704, 25875880, 40107614, 41401408, 51751760, 80215228, 100269035, 103503520, 160430456, 200538070, 207007040, 320860912, 401076140, 641721824, 802152280, 1283443648, 1604304560, 3208609120, 6417218240]

約数ペア:

[(1, 6417218240), (2, 3208609120), (4, 1604304560), (5, 1283443648), (8, 802152280), (10, 641721824), (16, 401076140), (20, 320860912), (31, 207007040), (32, 200538070), (40, 160430456), (62, 103503520), (64, 100269035), (80, 80215228), (124, 51751760), (155, 41401408), (160, 40107614), (248, 25875880), (310, 20700704), (320, 20053807), (496, 12937940), (620, 10350352), (992, 6468970), (1240, 5175176), (1984, 3234485), (2480, 2587588), (4960, 1293794), (9920, 646897)]