80032940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{953}}^1$

素因数の和:1011

約数の個数: 96

約数和(自身を含む): 201942720

約数和(自身を除く): 121909780

約数列:

[1, 2, 4, 5, 10, 13, 17, 19, 20, 26, 34, 38, 52, 65, 68, 76, 85, 95, 130, 170, 190, 221, 247, 260, 323, 340, 380, 442, 494, 646, 884, 953, 988, 1105, 1235, 1292, 1615, 1906, 2210, 2470, 3230, 3812, 4199, 4420, 4765, 4940, 6460, 8398, 9530, 12389, 16201, 16796, 18107, 19060, 20995, 24778, 32402, 36214, 41990, 49556, 61945, 64804, 72428, 81005, 83980, 90535, 123890, 162010, 181070, 210613, 235391, 247780, 307819, 324020, 362140, 421226, 470782, 615638, 842452, 941564, 1053065, 1176955, 1231276, 1539095, 2106130, 2353910, 3078190, 4001647, 4212260, 4707820, 6156380, 8003294, 16006588, 20008235, 40016470, 80032940]

約数ペア:

[(1, 80032940), (2, 40016470), (4, 20008235), (5, 16006588), (10, 8003294), (13, 6156380), (17, 4707820), (19, 4212260), (20, 4001647), (26, 3078190), (34, 2353910), (38, 2106130), (52, 1539095), (65, 1231276), (68, 1176955), (76, 1053065), (85, 941564), (95, 842452), (130, 615638), (170, 470782), (190, 421226), (221, 362140), (247, 324020), (260, 307819), (323, 247780), (340, 235391), (380, 210613), (442, 181070), (494, 162010), (646, 123890), (884, 90535), (953, 83980), (988, 81005), (1105, 72428), (1235, 64804), (1292, 61945), (1615, 49556), (1906, 41990), (2210, 36214), (2470, 32402), (3230, 24778), (3812, 20995), (4199, 19060), (4420, 18107), (4765, 16796), (4940, 16201), (6460, 12389), (8398, 9530)]